Physical memory and disk space requirements

The physical memory and disk space requirements for each node depend on its type.

Type of node Requirements
Install machine/WebLogic Admin Server The install machine, which will become the Admin Server after you install, has the following requirements:
  • At least 512MB of free swap space. If you need to install WebLogic Server on nodes that don't meet this requirement, be sure to set the WLS_NO_SWAP property in BDD's configuration file to TRUE.
  • 10GB of available space in the directory defined by the TEMP_FOLDER_PATH property in BDD's configuration file.
  • 6GB of available space in the directory defined by the ORACLE_HOME property in BDD's configuration file.
  • At least 10GB of available space in the directory defined by the INSTALLER_PATH property in BDD's configuration file.
WebLogic Managed Server All Managed Servers have the following requirements:
  • At least 5GB of RAM. Your system might require more, depending on the amount of data plan on processing.
  • At least 512MB of free swap space. If you need to install WebLogic Server on nodes that don't meet this requirement, be sure to set the WLS_NO_SWAP property in BDD's configuration file to TRUE.
  • 10GB of available space in the directory defined by the TEMP_FOLDER_PATH property in BDD's configuration file.
  • 6GB of available space in the directory defined by the ORACLE_HOME property in BDD's configuration file.
Dgraph Dgraph nodes have the following requirements:
  • At least 5GB of RAM. Your system might require more, depending on the amount of data you plan on processing.
  • 10GB of available space in the directory defined by the TEMP_FOLDER_PATH property in BDD's configuration file.
  • 1GB of available space in the directory defined by the ORACLE_HOME property in BDD's configuration file.
YARN worker nodes YARN worker nodes, which will run Data Processing jobs, have the following requirements:
  • At least 16GB of RAM for the entire YARN cluster combined (not per node). Your system might require more, depending on the amount of data you plan on processing.
  • 3GB of available space in the directory defined by the TEMP_FOLDER_PATH property in BDD's configuration file.
  • 2GB of available space in the directory defined by the ORACLE_HOME property in BDD's configuration file.

You must also update some YARN-specific properties in your Hadoop cluster to ensure that each YARN worker node has access to sufficient resources. These are described in YARN setting changes.