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Posted to issues@hbase.apache.org by "Jimmy Xiang (JIRA)" <ji...@apache.org> on 2013/12/05 02:35:35 UTC
[jira] [Commented] (HBASE-10085) Some regions aren't re-assigned
after a mater restarts
[ https://issues.apache.org/jira/browse/HBASE-10085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13839656#comment-13839656 ]
Jimmy Xiang commented on HBASE-10085:
-------------------------------------
Do you see this issue in 0.96.0 or 0.96.1?
> Some regions aren't re-assigned after a mater restarts
> ------------------------------------------------------
>
> Key: HBASE-10085
> URL: https://issues.apache.org/jira/browse/HBASE-10085
> Project: HBase
> Issue Type: Bug
> Components: Region Assignment
> Affects Versions: 0.96.0
> Reporter: Jeffrey Zhong
> Assignee: Jeffrey Zhong
> Fix For: 0.98.0, 0.96.1
>
>
> We see this issue happened in a cluster restart:
> 1) when shutdown a cluster, some regions are in offline state because no Region servers are available(stop RS and then Master)
> 2) When the cluster restarts, the offlined regions are forced to be offline again and SSH skip re-assigning them by function AM.processServerShutdown as shown below.
> {code}
> 2013-12-03 10:41:56,686 INFO [master:h2-ubuntu12-sec-1386048659-hbase-8:60000] master.AssignmentManager: Processing 873dbd8c269f44d0aefb0f66c5b53537 in state: M_ZK_REGION_OFFLINE
> 2013-12-03 10:41:56,686 DEBUG [master:h2-ubuntu12-sec-1386048659-hbase-8:60000] master.AssignmentManager: RIT 873dbd8c269f44d0aefb0f66c5b53537 in state=M_ZK_REGION_OFFLINE was on deadserver; forcing offline
> ...
> 2013-12-03 10:41:56,739 DEBUG [AM.-pool1-t8] master.AssignmentManager: Force region state offline {873dbd8c269f44d0aefb0f66c5b53537 state=OFFLINE, ts=1386067316737, server=h2-ubuntu12-sec-1386048659-hbase-6.cs1cloud.internal,60020,1386066968696}
> ...
> 2013-12-03 10:41:57,223 WARN [MASTER_SERVER_OPERATIONS-h2-ubuntu12-sec-1386048659-hbase-8:60000-3] master.RegionStates: THIS SHOULD NOT HAPPEN: unexpected {873dbd8c269f44d0aefb0f66c5b53537 state=OFFLINE, ts=1386067316737, server=h2-ubuntu12-sec-1386048659-hbase-6.cs1cloud.internal,60020,1386066968696}
> {code}
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