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https://issues.apache.org/jira/browse/HBASE-20476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16456154#comment-16456154
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Duo Zhang commented on HBASE-20476:
-----------------------------------
{noformat}
2018-04-27 08:59:21,255 INFO [PEWorker-10] assignment.RegionStateStore(194):
pid=16 updating hbase:meta row=081d9e29e93559a82f8d7992c782311d,
regionState=OPENING, regionLocation=asf911.gq1.ygridcore.net,35259,1524819543873
2018-04-27 08:59:21,411 INFO [PEWorker-3] assignment.RegionStateStore(194):
pid=16 updating hbase:meta row=081d9e29e93559a82f8d7992c782311d,
regionState=OPEN, repBarrier=2, openSeqNum=2,
regionLocation=asf911.gq1.ygridcore.net,35259,1524819543873
2018-04-27 08:59:29,547 INFO [PEWorker-3] assignment.RegionStateStore(194):
pid=63 updating hbase:meta row=081d9e29e93559a82f8d7992c782311d,
regionState=CLOSING, regionLocation=asf911.gq1.ygridcore.net,35259,1524819543873
2018-04-27 08:59:29,794 INFO [PEWorker-12] assignment.RegionStateStore(194):
pid=63 updating hbase:meta row=081d9e29e93559a82f8d7992c782311d,
regionState=CLOSED
2018-04-27 08:59:30,425 INFO [PEWorker-9] assignment.RegionStateStore(194):
pid=93 updating hbase:meta row=081d9e29e93559a82f8d7992c782311d,
regionState=OPENING
2018-04-27 08:59:31,208 INFO [PEWorker-1] assignment.RegionStateStore(194):
pid=93 updating hbase:meta row=081d9e29e93559a82f8d7992c782311d,
regionState=OPEN, repBarrier=0, openSeqNum=0,
regionLocation=asf911.gq1.ygridcore.net,35259,1524819543873
{noformat}
Seems the problem is that the openSeqNum go backwards! The first time it is 2,
and the correct openSeqNum should 5 for the next time, but it is 0...
Let me dig more to see what happened here...
> Fix the flaky TestReplicationSmallTests unit test
> -------------------------------------------------
>
> Key: HBASE-20476
> URL: https://issues.apache.org/jira/browse/HBASE-20476
> Project: HBase
> Issue Type: Bug
> Reporter: Zheng Hu
> Assignee: Duo Zhang
> Priority: Major
> Attachments: HBASE-20476-addlog.patch, HBASE-20476.patch
>
>
> See
> https://builds.apache.org/job/HBASE-Find-Flaky-Tests/lastSuccessfulBuild/artifact/dashboard.html
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