[ https://issues.apache.org/jira/browse/HBASE-16008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephen Yuan Jiang updated HBASE-16008: --------------------------------------- Attachment: HBASE-16008.v1-master.patch > A robust way deal with early termination of HBCK > ------------------------------------------------ > > Key: HBASE-16008 > URL: https://issues.apache.org/jira/browse/HBASE-16008 > Project: HBase > Issue Type: Improvement > Components: hbck > Reporter: Stephen Yuan Jiang > Assignee: Stephen Yuan Jiang > Attachments: HBASE-16008.v0-master.patch, HBASE-16008.v1-master.patch > > > When HBCK is running, we want to disable Catalog Janitor, Balancer and > Split/Merge. Today, the implementation is not robust. If HBCK is terminated > earlier by Control-C, the changed state would not be reset to original. > HBASE-15406 was trying to solve this problem for Split/Merge switch. The > implementation is complicated, and it did not solve CJ and Balancer. > We also have another problem is that to prevent multiple HBCK run, we used a > file lock to indicate a running HBCK; earlier terminating might not clean up > the file. Sometimes we have to manually remove the file so that future HBCK > could run. > The proposal to solve all the problem is to use a znode to indicate that one > HBCK is running. CJ, balancer, and Split/Merge switch all look for this > znode before doing it operation. -- This message was sent by Atlassian JIRA (v6.3.4#6332)