[HBASE-23615] Use a dedicated thread for executing WorkerMonitor in ProcedureExecutor.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.2
• Fix Version/s: 3.0.0-alpha-1, 2.3.0, 2.2.3, 2.1.9
• Component/s: amv2
• Assignee: Lijin Bin
• Reporter: Lijin Bin
• Created: 24/Dec/19 08:45
• Updated: 09/Feb/20 12:13
• Resolved: 31/Dec/19 02:07

Description

See the discussion in https://issues.apache.org/jira/browse/HBASE-23597, it is better to have a dedicated thread for executing WorkerMonitor, so it will not blocked by other tasks.

Issue Links

• relates to: HBASE-23597 Give high priority for meta assign procedure and ServerCrashProcedure which carry meta.
• links to: GitHub Pull Request #961