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https://issues.apache.org/jira/browse/HBASE-26885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17513429#comment-17513429
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Pankaj Kumar commented on HBASE-26885:
--------------------------------------
Nice finding [~filtertip], better to avoid OpenRegionProcedure when no server
available.
> The TRSP should not go on when it get a bogus server name from AM
> -----------------------------------------------------------------
>
> Key: HBASE-26885
> URL: https://issues.apache.org/jira/browse/HBASE-26885
> Project: HBase
> Issue Type: Improvement
> Components: proc-v2
> Reporter: Zheng Wang
> Assignee: Zheng Wang
> Priority: Major
>
> Currently it will submit lots of unnecessary OpenRegionProcedure by retry.
> Related log looks like below, 'localhost,1,1' is the bogus server:
> {code:java}
> 2022-03-22 10:17:48,301 WARN [PEWorker-8]
> assignment.RegionRemoteProcedureBase: Can not add remote operation pid=17952,
> ppid=17951, state=RUNNABLE, locked=true;
> org.apache.hadoop.hbase.master.assignment.OpenRegionProcedure for region
> {ENCODED => 490391c232c7aa13f7e0d50bfe1f7235, NAME =>
> 'TestTable1,0000000000000000002497747,1647568640784.490391c232c7aa13f7e0d50bfe1f7235.',
> STARTKEY => '0000000000000000002497747', ENDKEY => ''} to server
> localhost,1,1, this usually because the server is alread dead, give up and
> mark the procedure as complete, the parent procedure will take care of this.
> org.apache.hadoop.hbase.procedure2.NoServerDispatchException: localhost,1,1;
> pid=17952, ppid=17951, state=RUNNABLE, locked=true;
> org.apache.hadoop.hbase.master.assignment.OpenRegionProcedure
> at
> org.apache.hadoop.hbase.procedure2.RemoteProcedureDispatcher.addOperationToNode(RemoteProcedureDispatcher.java:168)
> at
> org.apache.hadoop.hbase.master.assignment.RegionRemoteProcedureBase.execute(RegionRemoteProcedureBase.java:285)
> at
> org.apache.hadoop.hbase.master.assignment.RegionRemoteProcedureBase.execute(RegionRemoteProcedureBase.java:58)
> at
> org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:962)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1648)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.executeProcedure(ProcedureExecutor.java:1395)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.access$1100(ProcedureExecutor.java:78)
> at
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor$WorkerThread.run(ProcedureExecutor.java:1965)
> 2022-03-22 10:17:48,301 DEBUG [PEWorker-8] procedure2.RootProcedureState: Add
> procedure pid=17952, ppid=17951, state=SUCCESS, locked=true;
> org.apache.hadoop.hbase.master.assignment.OpenRegionProcedure as the 8th
> rollback step {code}
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