Duo Zhang created HBASE-28212:
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Summary: Do not need to maintain rollback step when root procedure
does not support rollback
Key: HBASE-28212
URL: https://issues.apache.org/jira/browse/HBASE-28212
Project: HBase
Issue Type: Improvement
Components: master, proc-v2
Reporter: Duo Zhang
In HBASE-28210, we need to synchronized on RootProcedureState when updating
procedure store, which will decrease the performance a lot when there are lots
of sub procedures for a procedure, such as SCP, so it will impact MTTR.
But actually, SCP does not support rollback, so I do not think we need to
maintain this information. If so, I think we do not need the synchronization
added in HBASE-28210, at least for SCP then. This could get the performance
back.
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