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Hudson commented on HBASE-4739: ------------------------------- Integrated in HBase-TRUNK-security #7 (See [https://builds.apache.org/job/HBase-TRUNK-security/7/]) HBASE-4739 Master dying while going to close a region can leave it in transition forever (Gao Jinchao) tedyu : Files : * /hbase/trunk/CHANGES.txt * /hbase/trunk/src/main/java/org/apache/hadoop/hbase/executor/EventHandler.java * /hbase/trunk/src/main/java/org/apache/hadoop/hbase/executor/RegionTransitionData.java * /hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java * /hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/UnAssignCallable.java * /hbase/trunk/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKAssign.java * /hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java > Master dying while going to close a region can leave it in transition forever > ----------------------------------------------------------------------------- > > Key: HBASE-4739 > URL: https://issues.apache.org/jira/browse/HBASE-4739 > Project: HBase > Issue Type: Bug > Affects Versions: 0.90.4 > Reporter: Jean-Daniel Cryans > Assignee: gaojinchao > Priority: Minor > Fix For: 0.92.0, 0.94.0 > > Attachments: 4739_trial2.patch, 4739_trialV3.patch, > HBASE-4739_Branch092.patch, HBASE-4739_Trunk.patch, > HBASE-4739_Trunk_V2.patch, HBASE-4739_V7.patch, HBASE-4739_trail5.patch, > HBASE-4739_trial.patch, HBASE-4739_trial6.patch > > > I saw this in the aftermath of HBASE-4729 on a 0.92 refreshed yesterday, when > the master died it had just created the RIT znode for a region but didn't > tell the RS to close it yet. > When the master restarted it saw the znode and started printing this: > {quote} > 2011-11-03 00:02:49,130 INFO > org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition timed > out: TestTable,0007560564,1320253568406.f76899564cabe7e9857c3aeb526ec9dc. > state=CLOSING, ts=1320253605285, server=sv4r11s38,62003,1320195046948 > 2011-11-03 00:02:49,130 INFO > org.apache.hadoop.hbase.master.AssignmentManager: Region has been CLOSING for > too long, this should eventually complete or the server will expire, doing > nothing > {quote} > It's never going to happen, and it's blocking balancing. > I'm marking this as minor since I believe this situation is pretty rare > unless you hit other bugs while trying out stuff to root bugs out. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira