[HADOOP-13595] Rework hadoop_usage to be broken up by clients/daemons/etc.

• Type: Improvement
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha2
• Fix Version/s: 3.0.0-beta1
• Component/s: scripts
• Target Version/s: 3.0.0-beta1
• Hadoop Flags: Incompatible change
• Release Note: This patch changes how usage output is generated to now require a sub-command type. This allows users to see who the intended audience for a command is or it is a daemon.
• Assignee: Allen Wittenauer
• Reporter: Allen Wittenauer
• Created: 12/Sep/16 22:59
• Updated: 02/Aug/17 19:18
• Resolved: 02/Aug/17 18:25

Description

Part of the feedback from HADOOP-13341 was that it wasn't obvious what was a client and what was a daemon. Reworking the hadoop_usage output so that it is obvious helps fix this issue.

Issue Links

• is related to: HADOOP-13341 Deprecate HADOOP_SERVERNAME_OPTS; replace with (command)_(subcommand)_OPTS