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Hudson commented on HBASE-7506: ------------------------------- Integrated in HBase-TRUNK #3728 (See [https://builds.apache.org/job/HBase-TRUNK/3728/]) HBASE-7506 Judgment of carrying ROOT/META will become wrong when expiring server (Chunhui) (Revision 1431901) Result = FAILURE zjushch : Files : * /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java * /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java > Judgment of carrying ROOT/META will become wrong when expiring server > --------------------------------------------------------------------- > > Key: HBASE-7506 > URL: https://issues.apache.org/jira/browse/HBASE-7506 > Project: HBase > Issue Type: Bug > Affects Versions: 0.94.3 > Reporter: chunhui shen > Assignee: chunhui shen > Fix For: 0.96.0, 0.94.5 > > Attachments: 7506-94.patch, 7506-trunk v1.patch, 7506-trunkv1.patch, > 7506-trunkv2.patch > > > We will check whether server carrying ROOT/META when expiring the server. > See ServerManager#expireServer. > If the dead server carrying META, we assign meta directly in the process of > ServerShutdownHandler. > If the dead server carrying ROOT, we will offline ROOT and then > verifyAndAssignRootWithRetries() > How judgement of carrtying ROOT/META become wrong? > If region is in RIT, and isCarryingRegion() return true after addressing from > zk. > However, once RIT time out(could be caused by this.allRegionServersOffline && > !noRSAvailable, see AssignmentManager#TimeoutMonitor) and we assign it to > otherwhere, this judgement become wrong. > See AssignmentManager#isCarryingRegion for details > With the wrong judgement of carrtying ROOT/META, we would assign ROOT/META > twice. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira