Exploring the Oracle Java Cloud Service Instance Overview Page

You can use the Overview tile on the Oracle Java Cloud Service Instance page to view overview information for an Oracle Java Cloud Service instance.

Topics:

What You Can Do from the Oracle Java Cloud Service Instance Overview Page

Use Oracle Java Cloud Service Instance Overview page to perform the tasks described in the following topics:

What You See on the Oracle Java Cloud Service Instance Overview Page

The following table describes the key information shown on the Oracle Java Cloud Service Console.

Element Description

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Oracle Java Cloud Service link

Click this link to return to the Oracle Java Cloud Service Console.

Menu icon (adjacent to the service instance name)

Menu icon provides the following options:

  • Open WebLogic Server Console—Open the WebLogic Console to administer your application environment.

  • Open Fusion Middleware Control Console—Open Fusion Middleware Control to administer your application environment.

  • Open Load Balancer Console—Open the console to administer the load balancer, if the load balancer has been configured for the service instance. See Configuring a Load Balancer for an Oracle Java Cloud Service Instance.

    Note that access to the administrative consoles is disabled by default. When you create a service instance, you can enable consoles by selecting a check box on the Details page of the instance creation wizard. For an instance this is already created, you must create an access rule in order to activate the console choices. See Enabling Console Access in an Oracle Java Cloud Service.

  • Start—Start the VMs for the Administration Server, Managed Servers, load balancer, and Managed Servers on the Coherence data tier (if provisioned).

  • Stop—Stop the VMs for the Administration Server, Managed Servers, load balancer, and Managed Servers on the Coherence data tier (if provisioned).

  • Restart—Stop and then immediately restart all the VMs in the service instance.

  • Scale Out—Adds a managed server node.

  • Disable/Enable Load Balancer—Depending on the selection, either blocks access to the service instance or forwards the requests it receives from clients to the Oracle WebLogic Server Managed Servers.

  • Auto Scaling—Opens the Add Rule dialog box, which opens the Rules page where you can configure auto-scaling rules.

  • Access Rules—Create and manage rules to control access to the VMs for this service instance. See Managing Access Rules for an Oracle Java Cloud Service Instance.

  • SSH Access—Add public SSH keys to the VMs that make up this service instance. See Managing SSH Access for an Oracle Java Cloud Service Instance.

Menu icon (adjacent to the Administration Server)

Menu icon provides the following options:

  • Restart—Stop and immediately start the Administration Server VM.

  • Scale Up/Down—Scale the Administration Server node.

  • Add Storage—Increase the volume size or create an additional storage volume.

Note:

This menu is disabled when the service instance is stopped.

Menu icon (adjacent to a Managed Server)

Menu icon provides the following options:

  • Remove Node—Remove the Managed Server node.

  • Stop—Stop the Managed Server VM.

  • Start—Start the Managed Server VM if it is stopped.

  • Restart—Stop the Managed Server VM and immediately start it.

  • Scale Up/Down—Scale the Managed Server node.

  • Add Storage—Increase the volume size or create an additional storage volume.

Note:

This menu is disabled when the service instance is stopped. When the service instance is stopped, you cannot stop, start, or restart a Managed Server VM, or remove or scale a Managed Server node.

WebLogic Server Version

Version of Oracle WebLogic Server configured for the Oracle Java Cloud Service instance.

Description

Description of the Oracle Java Cloud Service instance.

Refresh

Click to refresh the page. The date and time the page was last refreshed is displayed adjacent to this button.

Five toolbar icons

Click the start/stop/restart/scale/monitor icons to:

  • Start the nodes for the Administration Server, Managed Servers, load balancer, and Managed Servers on the Coherence data tier (if provisioned)

  • Stop the nodes for the Administration Server, Managed Servers, load balancer, and Managed Servers on the Coherence data tier (if provisioned)

  • (Not available on Oracle Cloud Machine) Restart the nodes for the Administration Server, Managed Servers, load balancer, and Managed Servers on the Coherence data tier (if provisioned)

  • Add a node to this service

    This icon has two menu options:

    • Add Node

      —Adds a managed server node.
    • Auto Scaling

      —Opens the Add Rule dialog box, which opens the Rules page where you can configure auto-scaling rules.
  • Click this icon to display similar monitor icons beside each VM. Click these individual icons to see:

    • Date and time each node was last started.

    • For each server, the percent of heap space used as compared to the total heap space in GBs available. If you click the percentage number, the heap usage graph is displayed.

Service Overview

Provides the following information:

  • Status—Status of the service instance. Valid values include: Ready, In Progress, Maintenance, Terminating, Stopped, and Failed.

  • Edition—WebLogic Server edition: Standard Edition, Enterprise Edition, Enterprise Edition with Coherence

  • Content Endpoint—Content endpoint for the sample application (if deployed), specified as an IP address.

  • Cloud Storage Container—Name of the cloud storage container you specified when you created the service instance.

  • Version—Version of Oracle WebLogic Server configured for the Oracle Java Cloud Service instance. Also displays whether domain partitions are enabled.

  • JDK—Java Development Kit version used by the WebLogic Servers.

  • Cloud Storage Container—Name of the cloud storage container specified when the service instance was created.

Overview Tile

Click the Overview tile to access the Oracle Java Cloud Service Instance Overview page (this page) at anytime. The Overview tile displays the number of running nodes for the Oracle Java Cloud Service instance.

When Oracle Coherence is enabled for a service instance, the number of nodes includes the application tier nodes (storage-disabled) and the Coherence data tier nodes (storage-enabled).

Administration Tile

Click the Administration tile to backup and restore, and patch an Oracle Java Cloud Service instance. See:

The Administration tile displays the number of patches applied and the date of last backup.

Administration or Managed Server Administration or Managed Servers

Provides information about the Administration Server or Managed Server:

Administration Server

  • Administration Server Domain domainName—Tag that identifies the node as the Administration Server and lists the domain name.

  • Public IP—Public IP address of the Administration Server.

  • Instance— Names of the servers used by the resource.

  • OCPUs—Number of Oracle CPUs allocated to the node.

  • Memory—Amount of memory in GBs allocated to the node.

  • Storage—Amount of storage in GBs allocated to the node.

Healthcheck Details for Administration Server

Appears after you click the monitoring icon at the top of the screen, and click the icon next to Instance.

  • Admin Server Up Since—Date and time the server started.

  • Heap Usage—The percentage heap space used as compared to the total heap space in GBs available. Appears only after you click the Monitoring icon.

  • Managed Server Up Since—Date and time the server started.

  • Heap Usage—The percentage heap space used as compared to the total heap space in GBs available.

Managed Server:

  • Host Name—Name of the Managed Server.

  • Public IP—Public IP address of the Managed Server.

  • Instance— Identifies the Managed Server.

  • OCPUs—Number of Oracle CPUs allocated to the node.

  • Memory—Amount of memory in GBs allocated to the node.

  • Storage—Amount of storage in GBs allocated to the node.

Healthcheck Details for Managed Server

Appears after you click the monitoring icon at the top of the screen, and click the icon next to Instance.

  • Managed Server Up Since—Date and time the server started.

  • Heap Usage—The percentage heap space used as compared to the total heap space in GBs available.

Coherence data tier cluster and nodes.

(available only when Oracle Coherence is enabled for the service instance)

Click the icon to view details about the data tier.

(Not available on Oracle Cloud Machine)

  • Shape—Compute shape for all virtual machines configured by a capacity unit. For example: oc5.

  • Hosts—Lists the host names for the Managed Servers configured in the cluster.

(Available only on Oracle Cloud Machine)

  • Capacity Unit

    • Shape—Compute shape for all virtual machines configured by a capacity unit. For example: oc5.

    • Node Count—Number of virtual machines configured by one capacity unit.

    • Servers Per Node—Number of Managed Servers configured per virtual machine by one capacity unit.

    • Primary Capacity—Primary cache storage in GBs allocated for Coherence by one capacity unit.

  • Cluster

    • Name—Data tier (storage-enabled) WebLogic Server cluster name. For example: service1_DGCluster

    • Node Count—Total number of virtual machines configured in the cluster.

    • Primary Capacity—Total primary cache storage allocated for Coherence based on the number of capacity units configured in the cluster.

    • Capacity Units—Number of capacity units configured in the cluster.

  • Hosts—Lists the host names for the Managed Servers configured in the cluster.

Coherence Data Tier

(available only when Oracle Coherence is enabled for the service instance)

Information about the storage-enabled nodes and capacity configured for the Coherence data tier:

  • OCPUs—Number of Oracle CPUs allocated to the Coherence data tier nodes.

  • Memory—Amount of memory in GBs allocated to the Coherence data tier nodes.

  • Storage—Amount of storage in GBs allocated to the Coherence data tier nodes.

(Not available on Oracle Cloud Machine)

  • Data Grid Cluster—Name of the data grid cluster created if creating a data grid cluster was specified when the service instance was created.

  • Instance— Name of the server used by the data grid.

(Available only on Oracle Cloud Machine)

  • Cache Capacity—Total amount of primary cache storage allocated for Coherence in the domain, based on the capacity unit configuration, and the general rule of splitting the Managed Server heap size into thirds: using 1/3rd for primary cache storage, 1/3rd for backup storage, and 1/3rd for scratch space.

  • Capacity Unit—Primary cache storage allocated for Coherence by one capacity unit. If using a default capacity unit, the name of the configuration is also displayed (for example, SMALL). If using your own custom configuration for a capacity unit, ADVANCED is displayed.

  • Nodes—Number of virtual machines configured in the Coherence data tier cluster.

Note that when you stop or start the Oracle Java Cloud Service instance, all the virtual machines for the Managed Servers on the Coherence data tier will also stop or start. You cannot stop or start the data tier virtual machines individually.

Capacity Unit icon Capacity Unit

(available only when Oracle Coherence is enabled for the service instance)

(Available only on Oracle Cloud Machine)

Name of the capacity unit.

Load balancer icon Load Balancer

If a load balancer is provisioned, identifies information about the load balancer on the cluster:

  • State—Shows whether the load balancer is enabled or disabled.

  • Host Name—Name of the Oracle Traffic Director (OTD).

  • Public IP—Public IP address of the load balancer.

  • Instance—Name of the server used by the load balancer.

  • OCPUs—Number of Oracle CPUs allocated to the OTD.

  • Memory—Amount of memory in GBs allocated to the OTD.

  • Storage—Amount of storage in GBs allocated to the OTD.

Load Balancer (Managed)

Shows details about the Oracle Cloud Infrastructure Compute Classic managed load balancer configured for your Oracle Java Cloud Service instance.

  • URL— HTTPS URL of the JCS Service instance including the port number (Default 443). Clients use the base URL to access applications.

  • Type—Shows the endpoint classification:

    • Public—Internet-facing

    • Private—Private endpoint, typically used for internal communication in a private network

    • Management—Private endpoint typically, used for administrative or service management communication

  • Status—Shows whether the load balancer is enabled or disabled. You can disabled by using the Menu icon Menu beside the URL. If you disable the load balancer, you will receive an HTTP error.

  • Listener—Name (Read only)

    • Path Prefixes—By default a single path prefix will be set for the default cluster in case of single cluster JCS instance.

      If multiple clusters are provisioned as part of the JCS instance then each cluster will have seperate LB listener with default path prefix as the cluster name /.

      In case of multiple clusters, you can provide  a specific path prefix of your choice. 

    • Origin Servers—IP addresses of the origin servers

    • You can disable listeners by using the Menu icon Menu beside the listener.

  • Aliases—The URL Aliases resolve to the same front-end URL of the service

    • Shows the friendly URL of the pattern : https://ServiceName-AccountName.Data Jurisdiction.oraclecloud.com

    • Permanent URL  of the pattern : https://ServiceGUID.Data Jurisdiction.oraclecloud.com 

      The permanent URL does not change during the life of the service.

Associations

Information about the Oracle Database Cloud Service database deployment used by the Oracle Java Cloud Service instance.

If the instance is based on two database deployments (one for the Oracle required schema and the second for the application schema), information for both database deployments is displayed.

  • Service Name—Name of the Database Cloud Service database deployments used by the Oracle Java Cloud Service instance. The name was specified during the process of creating the Oracle Java Cloud Service instance.

    Click the service name to display the Instance Overview page for the database deployment.

  • Type: The only available value is Oracle Database Cloud Service.

  • Role: Depends on the database selections you made when you created the service instance:

    • Infrastructure Database—Stores data for the schema only.

    • Application Database—Stores data for the application only.

    • Infrastructure and Application Database—The database is used to store schema and application data.

In-Progress Operation Messages

Details about an operation such as scaling, backup, or patching while the operation is in progress.

  • Service Name—Service on which the operation is running.

  • Operation—Identifies the operation in progress, scale-out, for example.

  • Operation Status—Reports the status of the current operation, Running, for example.

  • Start Time—Date and time the operation started.

  • End Time—Date and time at which the operation completed. If the operation is in progress, this field is left blank.

As the operation runs, messages are displayed with information about the operation’s progress.