[ https://issues.apache.org/jira/browse/HBASE-9249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
rajeshbabu updated HBASE-9249: ------------------------------ Status: Patch Available (was: Open) > Add cp hook before setting PONR in split > ---------------------------------------- > > Key: HBASE-9249 > URL: https://issues.apache.org/jira/browse/HBASE-9249 > Project: HBase > Issue Type: Sub-task > Reporter: rajeshbabu > Attachments: HBASE-9249.patch > > > This hook helps to perform split on user region and corresponding index > region such that both will be split or none. > With this hook split for user and index region as follows > user region > =========== > 1) Create splitting znode for user region split > 2) Close parent user region > 3) split user region storefiles > 4) instantiate child regions of user region > Through the new hook we can call index region transitions as below > index region > =========== > 5) Create splitting znode for index region split > 6) Close parent index region > 7) Split storefiles of index region > 8) instantiate child regions of the index region > If any failures in 5,6,7,8 rollback the steps and return null, on null return > throw exception to rollback for 1,2,3,4 > 9) set PONR > 10) do batch put of offline and split entries for user and index regions > user region > =========== > 11) open daughers of user regions and transition znode to split. > We can open index region daughters and transition znode to split through > postSplit hook which is already present. > index region > ============ > 12) open daughers of index regions and transition znode to split. > Even if region server crashes also at the end both user and index regions > will be split or none -- 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