[HDDS-3927] Rename Ozone OM,DN,SCM runtime options to conform to naming conventions

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.1.0
• Labels: pull-request-available
• Target Version/s: 1.1.0
• Assignee: Siyao Meng
• Reporter: Siyao Meng
• Created: 06/Jul/20 15:26
• Updated: 13/Sep/20 20:10
• Resolved: 13/Sep/20 20:10

Description

Similar to HDFS_NAMENODE_OPTS, HDFS_DATANODE_OPTS, etc., we should have OZONE_MANAGER_OPTS, OZONE_DATANODE_OPTS to allow adding JVM args for GC tuning and debugging.

Update 1:

bharat mentioned we already have some equivalents for OM and Ozone DNs:

• HDFS_OM_OPTS for Ozone OM. This looks like a typo, should begin with HDDS
• HDDS_DN_OPTS for Ozone DNs

Update 2:

• HDFS_OM_OPTS -> OZONE_OM_OPTS
• HDDS_DN_OPTS -> OZONE_DATANODE_OPTS
• HDFS_STORAGECONTAINERMANAGER_OPTS -> OZONE_SCM_OPTS

The new names conforms to hadoop_subcommand_opts. Thanks elek for pointing this out.

Objective:

Rename the environment variables to be in accordance with the convention, and keep the compatibility by deprecating the old variable names.

Issue Links

• links to: GitHub Pull Request #1401