[/map {"- map/map "}) [/map/topicref {"- map/topicref "}) [/map/topicref/topicmeta {"- map/topicmeta "}) [/map/topicref/topicmeta/navtitle {"- topic/navtitle "}) About this guide (navtitle][/map/topicref/topicmeta/linktext {"- map/linktext "}) About this guide (linktext][/map/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This guide describes administration tasks associated with Oracle Big Data Discovery. (shortdesc] (topicmeta] (topicref] [/map/topichead {"+ map/topicref mapgroup-d/topichead "}) [/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Introduction (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Introduction (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This section lists administrative tasks and tools that you can use to do these tasks. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) List of administrative tasks (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) List of administrative tasks (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic lists top-level administrator tasks for Studio, the Dgraph, the Dgraph HDFS Agent, and the Dgraph Gateway. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Cluster Architecture (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Cluster Architecture (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This section describes the architecture of a Big Data Discovery cluster. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Cluster components (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Cluster components (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) A Big Data Discovery cluster is a deployment of Big Data Discovery on multiple machines. Such a deployment can be made up of any number of nodes. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Overview (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Overview (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic provides an overview of the components in a Big Data Discovery cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Diagram of a Big Data Discovery Cluster (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Diagram of a Big Data Discovery Cluster (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This diagram illustrates a cluster of Big Data Discovery nodes deployed on top of an existing Hadoop cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Cluster of Dgraph nodes (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Cluster of Dgraph nodes (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) A typical BDD cluster deployment includes a set of Dgraph nodes. Together, these nodes form a Dgraph cluster within the BDD cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Leader and follower Dgraph nodes (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Leader and follower Dgraph nodes (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Dgraph nodes can have two roles within the Dgraph cluster: leader and follower. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Cluster behavior (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Cluster behavior (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) There are many possible scenarios of Big Data Discovery deployment clusters. This section describes how the BDD cluster behaves and maintains enhanced availability in various scenarios, such as during node startup, updates to the Dgraph databases, or to individual node failures. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Load balancing and routing requests (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Load balancing and routing requests (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic discusses the load balancing and routing requests from Studio nodes to the Dgraph nodes in Oracle Big Data Discovery. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) How session affinity is used (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) How session affinity is used (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) When a WebLogic Server node hosting Studio and Dgraph Gateway receives a client request, it routes the request to a Dgraph node using session affinity, based on the session ID specified in the header of the request. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Startup of Dgraph nodes (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Startup of Dgraph nodes (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Once the Big Data Discovery cluster is started, it activates the Dgraph processes on a subset of the nodes that are hosting the Dgraph instances. This topic discusses the behavior of the Dgraph nodes at startup. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) How updates are processed (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) How updates are processed (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) In a Dgraph cluster, updates to the records or configuration in a specific Dgraph database are routed to that database's leader Dgraph node. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Role of ZooKeeper (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Role of ZooKeeper (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The ZooKeeper utility provides configuration and state management and distributed coordination services to Dgraph nodes of the Big Data Discovery cluster. It ensures high availability of the query processing by the Dgraph nodes in the cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) How high availability is achieved (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) How high availability is achieved (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic discusses how the BDD cluster deployment ensures high availability of query-processing. (shortdesc] (topicmeta] (topicref] (topicref] (topicref] (topichead] [/map/topichead {"+ map/topicref mapgroup-d/topichead "}) [/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Administering a Big Data Discovery Cluster (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Administering a Big Data Discovery Cluster (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This section describes how to perform different administrative tasks for your BDD cluster deployment as a whole, such as backing it up and updating its configuration. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Updating the BDD configuration (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Updating the BDD configuration (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can update BDD's configuration by editing bdd.conf then running the bdd-admin script to distribute your changes to the rest of the cluster. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuration properties that can be modified (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuration properties that can be modified (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The table below describes the properties in bdd.conf that you can modify. Be sure to read this information carefully before making changes to bdd.conf. Don't update any other properties in this file, as this could have negative effects on your cluster. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Backing up BDD (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Backing up BDD (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Because Big Data Discovery doesn't perform automatic backups, you must back up your system manually. Oracle recommends that, at a minimum, you back up your cluster immediately after deployment. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Restoring BDD (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Restoring BDD (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can restore your cluster from a backup TAR file by running the bdd-admin script with the restore command. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Updating BDD's Hadoop configuration (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Updating BDD's Hadoop configuration (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can update your BDD cluster's Hadoop configuration with the bdd-admin script. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Updating the Hadoop client configuration files (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Updating the Hadoop client configuration files (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you update your Hadoop client configuration files, you can publish your changes to BDD with the bdd-admin script. This distributes the Hadoop client configuration files to all BDD nodes and updates the relevant properties in BDD's configuration files. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Setting the Hue URI (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Setting the Hue URI (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you have an HDP cluster, you can use the bdd-admin script to update the URI of the node running Hue in bdd.conf. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Upgrading Hadoop (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Upgrading Hadoop (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you want to upgrade to a new version of your Hadoop distribution, you need to update your BDD cluster to integrate with it. You can do this using the bdd-admin script. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Updating BDD's Kerberos configuration (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Updating BDD's Kerberos configuration (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can update your BDD cluster's Kerberos configuration with the bdd-admin script. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Enabling Kerberos (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Enabling Kerberos (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) BDD supports Kerberos 5+ to authenticate its communications with Hadoop. You can enable this for BDD to improve the security of your cluster and data. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Changing the location of the Kerberos krb5.conf file (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Changing the location of the Kerberos krb5.conf file (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you want to change the location of the krb5.conf file, you can use the bdd-admin script to update BDD's configuration accordingly. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Updating the Kerberos keytab file (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Updating the Kerberos keytab file (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you update BDD's current keytab file or create a new one, you can use the bdd-admin script to publish the new or updated file to the rest of the cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Updating the Kerberos principal (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Updating the Kerberos principal (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you edit the BDD principal or create a new one, you can use the bdd-admin script to publish your changes to the rest of the cluster. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Adding new nodes to the BDD cluster (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Adding new nodes to the BDD cluster (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The following sections describe how to add new nodes to your BDD cluster. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Adding new Dgraph nodes (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Adding new Dgraph nodes (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can add new Dgraph nodes to BDD to expand your Dgraph cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Adding new Data Processing nodes (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Adding new Data Processing nodes (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can add new Data Processing nodes to your BDD cluster to increase your processing power. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Refreshing TLS/SSL certificates (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Refreshing TLS/SSL certificates (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you have TLS/SSL enabled for BDD, you can use the bdd-admin script to refresh your certificates, when needed. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) The bdd-admin Script Reference (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) The bdd-admin Script Reference (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can use the bdd-admin script to administer your BDD cluster from the command line. This section describes the script and its commands. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About the bdd-admin script (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About the bdd-admin script (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The bdd-admin script includes a number of commands that perform different administrative tasks for your cluster, like starting components and updating BDD's configuration. The script is located in the $BDD_HOME/BDD_manager/bin directory. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Lifecycle management commands (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Lifecycle management commands (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can use the bdd-admin script's lifecycle management commands to perform such operations as starting and stopping BDD components. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) start (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) start (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The start command starts components. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) stop (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) stop (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The stop command stops components. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) restart (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) restart (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The restart command restarts components regardless of whether they're currently running or stopped. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) System management commands (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) System management commands (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can use the bdd-admin script's system management commands to perform such operations as backing up your cluster and updating BDD's configuration. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) autostart (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) autostart (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The autostart command enables and disables autostart for components. Components that have autostart enabled restart automatically after their hosts are rebooted. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) backup (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) backup (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The backup command creates a backup of the cluster's data and metadata. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) restore (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) restore (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The restore command restores your cluster from an existing backup TAR file. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) publish-config (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) publish-config (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The publish-config command publishes configuration changes to your BDD cluster. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) bdd (navtitle][/map/topichead/topicref/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) bdd (linktext][/map/topichead/topicref/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The bdd configuration type publishes an updated version of bdd.conf to all BDD nodes. This updates the configuration of the entire cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) hadoop (navtitle][/map/topichead/topicref/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) hadoop (linktext][/map/topichead/topicref/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The hadoop configuration type makes changes to BDD's Hadoop configuration. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) kerberos (navtitle][/map/topichead/topicref/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) kerberos (linktext][/map/topichead/topicref/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The kerberos configuration type updates to BDD's Kerberos configuration. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) cert (navtitle][/map/topichead/topicref/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) cert (linktext][/map/topichead/topicref/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The cert configuration type refreshes the TLS/SSL certificates for the HDFS, YARN, Hive, and KMS services. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) update-model (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) update-model (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The update-model command updates or resets the models used by some of the Data Enrichment modules. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) flush (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) flush (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The flush command flushes component caches. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) add-nodes (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) add-nodes (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The add-nodes command adds new nodes to your BDD cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) enable-components (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) enable-components (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The enable-components command enables components that are currently disabled. Note that this command can only be used for certain components. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) disable-components (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) disable-components (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The disable-components command disables specific components that are currently enabled. Note that this can only be used on components that were enabled by the enable-components command. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Diagnostics commands (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Diagnostics commands (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can use the bdd-admin script's diagnostics commands to perform such operations as checking the status of your cluster and retrieving component log files. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) get-blackbox (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) get-blackbox (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The get-blackbox command generates the Dgraph's on-demand tracing blackbox file and returns the name and location of the file. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) status (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) status (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The status command checks component statuses and the overall health of the BDD cluster. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) get-stats (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) get-stats (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The get-stats command obtains Dgraph statistics. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) reset-stats (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) reset-stats (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The reset-stats command resets the Dgraph statistics. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) get-log-levels (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) get-log-levels (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The get-log-levels command returns the list of component logs and their current levels. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) set-log-levels (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) set-log-levels (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The set-log-levels command sets component log levels and updates their configuration files so that the changes persist when the components are restarted. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) get-logs (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) get-logs (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The get-logs command collects requested log files and compresses them to a single zip file. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) rotate-logs (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) rotate-logs (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The rotate-logs command rotates component logs. (shortdesc] (topicmeta] (topicref] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Administering the Dgraph (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Administering the Dgraph (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This section describes the Dgraph component in BDD, its administrative operations, and flags. It also describes various Dgraph characteristics and behavior, such as memory consumption, Dgraph cache, and managing the Dgraph core dump files. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About the Dgraph (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About the Dgraph (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Dgraph is a component of Big Data Discovery that runs search analytical processing of the data sets. It handles query requests users make to data sets. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Memory consumption by the Dgraph (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Memory consumption by the Dgraph (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic discusses the logic used by the Dgraph to control its memory consumption. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Tips for setting the Dgraph cache size (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Tips for setting the Dgraph cache size (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Set the Dgraph cache size to be large enough to let the Dgraph operate smoothly under normal query load. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Changing the Dgraph memory limit (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Changing the Dgraph memory limit (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) It is possible to specify the custom memory limit the Dgraph is allowed to use for processing. If you change the memory limit, this overrides the default memory consumption setting in the Dgraph that is set to 80% of the machine's available RAM. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Setting up cgroups for the Dgraph (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Setting up cgroups for the Dgraph (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Control groups, or cgroups, is a Linux kernel feature that enables you to allocate resources like CPU time and system memory to specific processes or groups of processes. If you need to host the Dgraph on nodes running Spark, you must use cgroups to ensure sufficient resources are available to it. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Moving the Dgraph databases to HDFS (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Moving the Dgraph databases to HDFS (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If your Dgraph databases are currently stored on an NFS, you can move them to HDFS. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Appointing a new Dgraph leader (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Appointing a new Dgraph leader (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can use the appointNewDgraphLeader.sh script to appoint a new Dgraph leader for a database. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About using Linux ulimit settings for merges (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About using Linux ulimit settings for merges (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) For purposes of merging generation files for the internal Dgraph databases (indexes), it is recommended that you set the Linux option ulimit -v and -m parameters to unlimited. You should also set the -n parameter to 65536. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Tips for storing Dgraph core dump files (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Tips for storing Dgraph core dump files (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) In the rare case of a Dgraph crash, the Dgraph writes its core dump files on disk. It is recommended to use the ulimit -c unlimited setting for the Dgraph core dump files. Non-limited core files contain all Dgraph data that is resident in memory. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About Dgraph statistics (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About Dgraph statistics (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Dgraph statistics page provides information such as startup time, host, port, and process information, data and log paths, and so on. This information is useful to help to tune your Dgraph and useful for Oracle Support. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph flags (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph flags (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Dgraph flags modify the Dgraph's configuration and behavior. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph HDFS Agent flags (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph HDFS Agent flags (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic describes the flags used by the Dgraph HDFS Agent. (shortdesc] (topicmeta] (topicref] (topicref] (topichead] [/map/topichead {"+ map/topicref mapgroup-d/topichead "}) [/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Managing Data Sources (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Managing Data Sources (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can add, configure, and delete database connections and JDBC data sources on the Control Panel > Big Data Discovery > Data Source Library page of Studio. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About database connections and JDBC data sources (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About database connections and JDBC data sources (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Studio users can import data from an external JDBC database and access it from Studio as a data set in the Catalog. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Creating data connections (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Creating data connections (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) To create a data connection, follow the steps below. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Deleting data connections (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Deleting data connections (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you delete a data connection, the associated data sources also are deleted. Any data sets created from those data sources can no longer be refreshed once the connection has been deleted. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Creating a data source (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Creating a data source (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) When you create a data source, you specify a SQL query to select the data to include. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Editing a data source (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Editing a data source (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Once a data source is created, you can change the data or edit it. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Deleting a data source (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Deleting a data source (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) To delete a data source, follow the steps below. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring Studio Settings (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Configuring Studio Settings (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Studio Settings page on the Control Panel configures many general settings for the Studio application. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Studio settings list (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Studio settings list (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Studio settings include configuration options for timeouts, default values, and the connection to Oracle MapViewer, for the Map and Thematic Map components. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Changing the Studio setting values (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Changing the Studio setting values (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) To set the values of Studio settings, you can either use the fields on the Studio Settings page, or add the values to portal-ext.properties. If you configure a setting in portal-ext.properties, then the field on the Studio Settings page is locked. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Modifying the Studio session timeout value (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Modifying the Studio session timeout value (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The timeout notification that appears in the header of Studio is controlled by two settings: session.timeout in portal-ext.properties and the web.xml settings in the WebLogic Server running Studio. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Changing the Studio database password (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Changing the Studio database password (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) As described in the Installation Guide, Studio requires a relational database to store configuration and state, including component configuration, user permissions, and system settings. Before BDD installation, an administrator creates the Studio database with a corresponding username and password. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring Data Processing Settings (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Configuring Data Processing Settings (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) In order to upload files and perform other data processing tasks, you must configure the Data Processing Settings on Studio's Control Panel. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) List of Data Processing Settings (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) List of Data Processing Settings (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The settings listed in the table below must be set correctly in order to perform data processing tasks. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Changing the data processing settings (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Changing the data processing settings (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You configure the settings on the Data Processing Settings page on the Control Panel. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Running a Studio Health Check (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Running a Studio Health Check (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You check the health and basic functionality of Studio by running a health check URL in a Web browser. This operation is typically only run after major changes to the BDD set up such as upgrading and patching. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Viewing Project Usage Summary Reports (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Viewing Project Usage Summary Reports (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Big Data Discovery provides basic reports to allow you to track project usage. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About the project usage logs (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About the project usage logs (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Big Data Discovery stores project creation and usage information in its database. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About the System Usage page (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About the System Usage page (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The System Usage page of the Control Panel provides access to summary information on project usage logs. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Using the System Usage page (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Using the System Usage page (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) On the System Usage page, you use the fields at the top to set the date range for the report data. You can also change the displayed data on individual reports. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the Locale and Time Zone (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the Locale and Time Zone (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The user interface of Studio and project data can be displayed in different locales and different time zones. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Locales and their effect on the user interface (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Locales and their effect on the user interface (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The locale determines the language in which to display the user interface. It can also affect the format of displayed data values. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) How Studio determines the locale to use (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) How Studio determines the locale to use (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) When users log in, Studio determines the locale to use to display the user interface and data. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Locations where the locale may be set (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Locations where the locale may be set (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The locale is set in different locations. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Scenarios for selecting the locale (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Scenarios for selecting the locale (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The locale used depends upon the type of user, the Big Data Discovery configuration, and how the user entered Big Data Discovery. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Selecting the default locale (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Selecting the default locale (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Studio is configured with a default locale that you can update from the Control Panel. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring a user's preferred locale (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring a user's preferred locale (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Each user account is configured with a preferred locale. The default value for new users is Use Browser Locale, which indicates to use the current browser locale. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Setting the default time zone (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Setting the default time zone (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Studio is configured with a default time zone that you can update from the Control Panel. By default, the time zone is set to UTC. You might want to set it to your local time zone to reflect accurate time stamps in the Notifications panel. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring Settings for Outbound Email Notifications (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Configuring Settings for Outbound Email Notifications (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Big Data Discovery includes settings to enable sending email notifications. Email notifications can include account notices, bookmarks, and snapshots. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the email server settings (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the email server settings (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) In order for users to be able to email bookmarks, you must configure the email server settings. The email address associated with the outbound server is used as the From address on the bookmark email message. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the sender name and email address for notifications (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the sender name and email address for notifications (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) From the Email Settings page of the Control Panel, you can configure the sender name an email address to display on outbound notifications. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Setting up the Account Created and Password Changed notifications (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Setting up the Account Created and Password Changed notifications (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) From the Email Settings page of the Control Panel, you can configure the notifications sent when an account is created and when a user's password is changed. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Managing Projects from the Control Panel (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Managing Projects from the Control Panel (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Control Panel provides options for Big Data Discovery administrators to configure and remove projects. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the project type (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the project type (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The project type determines whether the project is visible to users on the Catalog. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Assigning users and user groups to projects (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Assigning users and user groups to projects (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can manage access to projects from the Project Settings > Sharing page or from the project details panel in the Catalog. For details, see "Assigning project roles" in the Studio User's Guide. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Certifying a project (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Certifying a project (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Big Data Discovery administrators can certify a project. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Making a project active or inactive (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Making a project active or inactive (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) By default, a new project is marked as active. From the Control Panel, Big Data Discovery administrators can control whether a project is active or inactive. Inactive projects are not displayed on the Catalog. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Deleting projects (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Deleting projects (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) From the Control Panel, Big Data Discovery administrators can delete projects. (shortdesc] (topicmeta] (topicref] (topicref] (topichead] [/map/topichead {"+ map/topicref mapgroup-d/topichead "}) [/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring User-Related Settings (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Configuring User-Related Settings (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You configure settings for passwords and user authentication in the Studio Control Panel. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring authentication settings for users (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring authentication settings for users (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Each user has both an email address and a screen name. By default, users log in to Studio using their email addresses. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the password policy (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the password policy (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The password policy sets the requirements for creating and setting Studio passwords. These options do not apply to Studio passwords managed by an LDAP system. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Restricting the use of specific screen names and email addresses (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Restricting the use of specific screen names and email addresses (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If needed, you can configure lists of screen names and email addresses that should not be used for Studio users. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Creating and Editing Studio Users (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Creating and Editing Studio Users (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) In Studio, roles are used to control access to general features as well as to access specific projects and data. The Users page on the Control Panel provides options for creating and editing Studio users. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About user roles and access privileges (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About user roles and access privileges (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Each Studio user is assigned a user role. The user role determines a user's access to features within Studio. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Creating a new Studio user (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Creating a new Studio user (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you are not using LDAP, you may want to create Studio users manually. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Editing a Studio user (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Editing a Studio user (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Users page also allows you to edit a user's account. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Deactivating, reactivating, and deleting Studio users (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Deactivating, reactivating, and deleting Studio users (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) From the Users page of the Control Panel, you can make an active user inactive. You can also reactivate or delete inactive users. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Integrating with an LDAP System to Manage Users (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Integrating with an LDAP System to Manage Users (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) If you have an LDAP system, users can use their LDAP credentials to log in to Big Data Discovery. You can also configure BDD to communicate with the LDAP server over TLS/SSL. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About using LDAP (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About using LDAP (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Integrating Studio with Lightweight Directory Access Protocol (LDAP) allows users to sign in to Studio using their existing LDAP user accounts, rather than creating separate user accounts from within Studio. LDAP is also used when integrating with a single sign-on (SSO) system. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the LDAP settings and server (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the LDAP settings and server (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The LDAP settings on the Control Panel > Credentials page include whether LDAP is enabled and required for authentication, the connection to the LDAP server, and whether to support batch import or export to or from the LDAP directory. The method for processing batch imports is set in portal-ext.properties. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Authenticating against LDAP over TLS/SSL (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Authenticating against LDAP over TLS/SSL (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) To have Big Data Discovery Studio authenticate users against LDAP over TLS/SSL, export a certificate from your LDAP server and copy it to the cacerts keystore on the machine running Studio. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Preventing encrypted LDAP passwords from being stored in BDD (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Preventing encrypted LDAP passwords from being stored in BDD (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) By default, when you use LDAP for user authentication, each time a user logs in, Big Data Discovery stores a securely encrypted version of their LDAP password. For subsequent logins, Big Data Discovery can then authenticate the user even when it cannot connect to the LDAP system. For even stricter security, you can configure Big Data Discovery to prevent the passwords from being stored. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Assigning roles based on LDAP user groups (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Assigning roles based on LDAP user groups (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) For LDAP integration, it is recommended that you assign roles based on your LDAP groups. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Setting Up Single Sign-On (SSO) (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Setting Up Single Sign-On (SSO) (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can provide user access by integrating with an SSO system. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About using single sign-on (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About using single sign-on (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Integrating with single sign-on (SSO) allows Studio users to be logged in to Big Data Discovery automatically once they are logged in to your SSO system. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Overview of the process for configuring SSO with Oracle Access Manager (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Overview of the process for configuring SSO with Oracle Access Manager (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Here is an overview of the steps for using Oracle Access Manager to implement SSO in Big Data Discovery. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the reverse proxy module in OHS (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the reverse proxy module in OHS (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) For WebLogic Server, you need to update the file mod_wl_ohs.conf to add the logout configuration for SSO. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Registering the Webgate with the Oracle Access Manager server (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Registering the Webgate with the Oracle Access Manager server (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) After you have installed the OHS Webgate, you use the remote registration (RREG) tool to register the OHS Webgate with the OAM server. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Testing the OHS URL (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Testing the OHS URL (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Before continuing to the Big Data Discovery configuration, you need to test that the OHS URL redirects correctly to Big Data Discovery. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring Big Data Discovery to integrate with SSO via Oracle Access Manager (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring Big Data Discovery to integrate with SSO via Oracle Access Manager (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) In Big Data Discovery, you configure the LDAP connection and Oracle Access Manager connection settings. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the LDAP connection for SSO (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the LDAP connection for SSO (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The SSO implementation uses LDAP to retrieve and maintain the user information. For the Oracle Access Manager SSO, you configure Big Data Discovery to use Oracle Internet Directory for LDAP. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the Oracle Access Manager SSO settings (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the Oracle Access Manager SSO settings (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) After you configure the LDAP connection for your SSO integration, you configure the Oracle Access Manager SSO settings. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Completing and testing the SSO integration (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Completing and testing the SSO integration (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The final step in setting up the SSO integration is to add the OHS server host name and port to portal-ext.properties. (shortdesc] (topicmeta] (topicref] (topicref] (topichead] [/map/topichead {"+ map/topicref mapgroup-d/topichead "}) [/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Overview of BDD Logging (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Overview of BDD Logging (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic provides a logging overview of the BDD components. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) List of Big Data Discovery logs (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) List of Big Data Discovery logs (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic provides a list of all the logs generated by a BDD deployment. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Gathering information for diagnosing problems (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Gathering information for diagnosing problems (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This section describes the information that you need to gather in the event of a problem with the Dgraph or Dgraph Gateway. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Retrieving logs (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Retrieving logs (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The bdd-admin script's get-logs command lets you retrieve all the BDD component logs, or a specified subsection of them. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Rotating logs (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Rotating logs (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Dgraph Gateway and Studio logs are hardcoded to rotate daily. You can force rotate logs by running the bdd-admin script with the rotate-logs command. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Studio Logging (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Studio Logging (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Studio logging helps you to monitor and troubleshoot your Studio application. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About logging in Studio (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About logging in Studio (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Studio uses the Apache Log4j logging utility. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About the Log4j configuration XML files (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About the Log4j configuration XML files (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The primary log configuration is managed in portal-log4j.xml, which is packed inside the portal application file WEB-INF/lib/portal-impl.jar. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About the main Studio log file (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About the main Studio log file (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) For Studio, the main log file (bdd-studio.log) contains all of the log messages. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About the metrics log file (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About the metrics log file (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Studio captures metrics logging, including all log entries from the com.endeca.portal.instrumentation classes. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Configuring the amount of metrics data to record (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Configuring the amount of metrics data to record (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) To configure the metrics you want to include, you use a setting in portal-ext.properties. This setting applies to both the metrics log file and the Performance Metrics page. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) About the Studio client log file (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) About the Studio client log file (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Studio client log file collects client-side logging information. In particular, Studio logs JavaScript errors in this file. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Adjusting Studio logging levels (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Adjusting Studio logging levels (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) For debugging purposes in a development environment, you can dynamically adjust logging levels for any class hierarchy. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Using the Performance Metrics page to monitor query performance (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Using the Performance Metrics page to monitor query performance (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Performance Metrics page on the Control Panel displays information about component and Dgraph Gateway query performance. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph Logging (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph Logging (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This section describes the Dgraph logs. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph request log (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph request log (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Dgraph request log (also called the query log) contains one entry for each request processed. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph out log (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph out log (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The Dgraph out log is where the Dgraph's stdout/stderr output is remapped. (shortdesc] (topicmeta][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph log levels (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph log levels (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic describes the Dgraph log levels. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Setting the Dgraph log levels (navtitle][/map/topichead/topicref/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Setting the Dgraph log levels (linktext][/map/topichead/topicref/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The DGRAPH_LOG_LEVEL property in bdd.conf sets the log levels for the Dgraph log subsystems at start-up time. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) FUSE out log (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) FUSE out log (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The FUSE out log is where the FUSE client's stdout/stderr output is remapped. (shortdesc] (topicmeta] (topicref] (topicref][/map/topichead/topicref {"- map/topicref "}) [/map/topichead/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph Gateway Logging (navtitle][/map/topichead/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph Gateway Logging (linktext][/map/topichead/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This section describes the Dgraph Gateway logs. (shortdesc] (topicmeta][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph Gateway logs (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph Gateway logs (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Dgraph Gateway uses the Apache Log4j logging utility for logging and its messages are written to WebLogic Server logs. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Dgraph Gateway log entry format (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Dgraph Gateway log entry format (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic describes the format of Dgraph Gateway log entries, including their message types and log levels. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Log entry information (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Log entry information (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) This topic describes some of the information that is found in log entries. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Logging properties file (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Logging properties file (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Dgraph Gateway has a default Log4j configuration file that sets its logging properties. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Setting the Dgraph Gateway log level (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Setting the Dgraph Gateway log level (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) Use the bdd-admin script with the set-log-levels command to set the log level for the Dgraph Gateway. (shortdesc] (topicmeta] (topicref][/map/topichead/topicref/topicref {"- map/topicref "}) [/map/topichead/topicref/topicref/topicmeta {"- map/topicmeta "}) [/map/topichead/topicref/topicref/topicmeta/navtitle {"- topic/navtitle "}) Customizing the HTTP access log (navtitle][/map/topichead/topicref/topicref/topicmeta/linktext {"- map/linktext "}) Customizing the HTTP access log (linktext][/map/topichead/topicref/topicref/topicmeta/shortdesc {"- map/shortdesc "}) You can customize the format of the default HTTP access log. (shortdesc] (topicmeta] (topicref] (topicref] (topichead] [/map/topicref {"- map/topicref "}) [/map/topicref/topicmeta {"- map/topicmeta "}) [/map/topicref/topicmeta/navtitle {"- topic/navtitle "}) Conventions (navtitle][/map/topicref/topicmeta/linktext {"- map/linktext "}) Conventions (linktext][/map/topicref/topicmeta/shortdesc {"- map/shortdesc "}) The following conventions are used in this document. (shortdesc] (topicmeta] (topicref] [/map/topicref {"- map/topicref "}) [/map/topicref/topicmeta {"- map/topicmeta "}) [/map/topicref/topicmeta/navtitle {"- topic/navtitle "}) Copyright and disclaimer (navtitle][/map/topicref/topicmeta/linktext {"- map/linktext "}) Copyright and disclaimer (linktext] (topicmeta] (topicref] (map]