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https://issues.apache.org/jira/browse/HBASE-21213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-21213:
--------------------------
Attachment: HBASE-21213.branch-2.1.009.patch
> [hbck2] bypass leaves behind state in RegionStates when assign/unassign
> -----------------------------------------------------------------------
>
> Key: HBASE-21213
> URL: https://issues.apache.org/jira/browse/HBASE-21213
> Project: HBase
> Issue Type: Bug
> Components: amv2, hbck2
> Reporter: stack
> Assignee: stack
> Priority: Major
> Fix For: 2.1.1
>
> Attachments: HBASE-21213.branch-2.1.001.patch,
> HBASE-21213.branch-2.1.002.patch, HBASE-21213.branch-2.1.003.patch,
> HBASE-21213.branch-2.1.004.patch, HBASE-21213.branch-2.1.005.patch,
> HBASE-21213.branch-2.1.006.patch, HBASE-21213.branch-2.1.007.patch,
> HBASE-21213.branch-2.1.007.patch, HBASE-21213.branch-2.1.008.patch,
> HBASE-21213.branch-2.1.009.patch
>
>
> This is a follow-on from HBASE-21083 which added the 'bypass' functionality.
> On bypass, there is more state to be cleared if we are allow new Procedures
> to be scheduled.
> For example, here is a bypass:
> {code}
> 2018-09-20 05:45:43,722 INFO org.apache.hadoop.hbase.procedure2.Procedure:
> pid=100449, state=RUNNABLE:REGION_TRANSITION_DISPATCH, locked=true,
> bypass=LOG-REDACTED UnassignProcedure table=hbase:namespace,
> region=37cc206fe9c4bc1c0a46a34c5f523d16,
> server=ve1233.halxg.cloudera.com,22101,1537397961664 bypassed, returning null
> to finish it
> 2018-09-20 05:45:44,022 INFO
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor: Finished pid=100449,
> state=SUCCESS, bypass=LOG-REDACTED UnassignProcedure table=hbase:namespace,
> region=37cc206fe9c4bc1c0a46a34c5f523d16,
> server=ve1233.halxg.cloudera.com,22101,1537397961664 in 2mins, 7.618sec
> {code}
> ... but then when I try to assign the bypassed region later, I get this:
> {code}
> 2018-09-20 05:46:31,435 WARN
> org.apache.hadoop.hbase.master.assignment.RegionTransitionProcedure: There is
> already another procedure running on this region this=pid=100450,
> state=RUNNABLE:REGION_TRANSITION_QUEUE, locked=true; AssignProcedure
> table=hbase:namespace, region=37cc206fe9c4bc1c0a46a34c5f523d16
> owner=pid=100449, state=SUCCESS, bypass=LOG-REDACTED UnassignProcedure
> table=hbase:namespace, region=37cc206fe9c4bc1c0a46a34c5f523d16,
> server=ve1233.halxg.cloudera.com,22101,1537397961664 pid=100450,
> state=RUNNABLE:REGION_TRANSITION_QUEUE, locked=true; AssignProcedure
> table=hbase:namespace, region=37cc206fe9c4bc1c0a46a34c5f523d16; rit=OPENING,
> location=ve1233.halxg.cloudera.com,22101,1537397961664
> 2018-09-20 05:46:31,510 INFO
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor: Rolled back pid=100450,
> state=ROLLEDBACK,
> exception=org.apache.hadoop.hbase.procedure2.ProcedureAbortedException via
> AssignProcedure:org.apache.hadoop.hbase.procedure2.ProcedureAbortedException:
> There is already another procedure running on this region this=pid=100450,
> state=RUNNABLE:REGION_TRANSITION_QUEUE, locked=true; AssignProcedure
> table=hbase:namespace, region=37cc206fe9c4bc1c0a46a34c5f523d16
> owner=pid=100449, state=SUCCESS, bypass=LOG-REDACTED UnassignProcedure
> table=hbase:namespace, region=37cc206fe9c4bc1c0a46a34c5f523d16,
> server=ve1233.halxg.cloudera.com,22101,1537397961664; AssignProcedure
> table=hbase:namespace, region=37cc206fe9c4bc1c0a46a34c5f523d16
> exec-time=473msec
> {code}
> ... which is a long-winded way of saying the Unassign Procedure still exists
> still in RegionStateNodes.
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