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https://issues.apache.org/jira/browse/HBASE-7701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HBASE-7701:
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Attachment:
TEST-org.apache.hadoop.hbase.IntegrationTestRebalanceAndKillServersTargeted.xml
> inconsistent state in AssignmentManager for moving region
> ---------------------------------------------------------
>
> Key: HBASE-7701
> URL: https://issues.apache.org/jira/browse/HBASE-7701
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.96.0
> Reporter: Sergey Shelukhin
> Attachments:
> TEST-org.apache.hadoop.hbase.IntegrationTestRebalanceAndKillServersTargeted.xml
>
>
> Closed regions are not removed from assignments. I am not sure if it's a
> general state problem, or just a small bug; for now, one manifestation is
> that moved region is ignored by SSH of the target server if target server
> dies before updating ZK.
> {code}
> 2013-01-22 17:59:00,524 DEBUG [IPC Server handler 3 on 50658]
> master.AssignmentManager(1475): Sent CLOSE to 10.11.2.92,51231,1358906285048
> for region
> IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.
> 2013-01-22 17:59:00,997 DEBUG
> [RS_CLOSE_REGION-10.11.2.92,51231,1358906285048-1]
> handler.CloseRegionHandler(167): set region closed state in zk successfully
> for region
> IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.
> sn name: 10.11.2.92,51231,1358906285048
> 2013-01-22 17:59:01,088 INFO
> [MASTER_CLOSE_REGION-10.11.2.92,50658,1358906192673-0]
> master.RegionStates(242): Region {NAME =>
> 'IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.',
> STARTKEY => '66666660', ENDKEY => '7333332c',
> ENCODED => 0200b366bc37c5afd1185f7d487c7dfb,} transitioned from
> {IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.
> state=CLOSED, ts=1358906341087, server=null} to
> {IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.
> state=OFFLINE, ts=1358906341088, server=null}
> 2013-01-22 17:59:01,128 INFO
> [MASTER_CLOSE_REGION-10.11.2.92,50658,1358906192673-0]
> master.AssignmentManager(1596): Assigning region
> IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.
> to 10.11.2.92,50661,1358906192942
> ... (50661 didn't update ZK to OPEN, only OPENING)
> 2013-01-22 17:59:06,605 INFO
> [MASTER_SERVER_OPERATIONS-10.11.2.92,50658,1358906192673-2]
> handler.ServerShutdownHandler(202): Reassigning 7 region(s) that
> 10.11.2.92,50661,1358906192942 was carrying (skipping 0 regions(s) that are
> already in transition)
> 2013-01-22 17:59:06,605 DEBUG
> [MASTER_SERVER_OPERATIONS-10.11.2.92,50658,1358906192673-2]
> handler.ServerShutdownHandler(219): Skip assigning region
> IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.
> because it has been opened in 10.11.2.92,51231,1358906285048
> {code}
> Note the server in the last line - the one that has long closed the region.
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