[HBASE-26730] Extend hbase shell 'status' command to support an option 'tasks'

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.5.0, 3.0.0-alpha-3
• Component/s: Operability, shell
• Hadoop Flags: Reviewed
• Assignee: Andrew Kyle Purtell
• Reporter: Andrew Kyle Purtell
• Created: 04/Feb/22 02:04
• Updated: 01/Sep/22 10:57
• Resolved: 16/Feb/22 02:40

Description

Extend status command to support an option 'tasks', which will iterate over live regionservers and pretty print the status of any active MonitoredTasks.

1. Expose monitored tasks state in ClusterStatus API via new option in ServerLoad

2. Add shell support for interrogating monitored tasks state in ServerLoad

Here is a prototype running on a small test cluster of a fork of branch-2.4:

Issue Links

• breaks: HBASE-26831 TestAdminShell2 is failing because of we referenced a deleted method
• links to: GitHub Pull Request #4094
• links to: GitHub Pull Request #4095