[ https://issues.apache.org/jira/browse/HBASE-5179?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
chunhui shen updated HBASE-5179: -------------------------------- Attachment: hbase-5179v9.patch > Concurrent processing of processFaileOver and ServerShutdownHandler may cause > region to be assigned before log splitting is completed, causing data loss > -------------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: HBASE-5179 > URL: https://issues.apache.org/jira/browse/HBASE-5179 > Project: HBase > Issue Type: Bug > Components: master > Affects Versions: 0.90.2 > Reporter: chunhui shen > Assignee: chunhui shen > Priority: Critical > Fix For: 0.92.0, 0.94.0, 0.90.6 > > Attachments: 5179-90.txt, 5179-90v2.patch, 5179-90v3.patch, > 5179-90v4.patch, 5179-90v5.patch, 5179-90v6.patch, 5179-90v7.patch, > 5179-90v8.patch, 5179-90v9.patch, 5179-v2.txt, 5179-v3.txt, 5179-v4.txt, > hbase-5179.patch, hbase-5179v5.patch, hbase-5179v6.patch, hbase-5179v7.patch, > hbase-5179v8.patch, hbase-5179v9.patch > > > If master's processing its failover and ServerShutdownHandler's processing > happen concurrently, it may appear following case. > 1.master completed splitLogAfterStartup() > 2.RegionserverA restarts, and ServerShutdownHandler is processing. > 3.master starts to rebuildUserRegions, and RegionserverA is considered as > dead server. > 4.master starts to assign regions of RegionserverA because it is a dead > server by step3. > However, when doing step4(assigning region), ServerShutdownHandler may be > doing split log, Therefore, it may cause data loss. -- 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