[HBASE-24962] Optimize BufferNode Lock

• Type: Bug
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0-alpha-1, 2.2.3
• Component/s: MTTR
• Assignee: Bo Cui
• Reporter: Bo Cui
• Created: 27/Aug/20 11:44
• Updated: 01/Feb/22 08:37

Description

https://github.com/apache/hbase/blob/047e0618d290a09a4a269b00548fe17691e31787/hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/RemoteProcedureDispatcher.java#L373

during startup, a large number of OpenRegionProcedures are generated, which are added to the BufferNode. However, the BufferNode has some "synchronized" methods, These methods may affect MTTR

Issue Links

• links to: GitHub Pull Request #2343