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From "nijel (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14504) Improve the master exception handling in Region server using zookeeper watcher
Date Tue, 29 Sep 2015 04:12:04 GMT
nijel created HBASE-14504:
-----------------------------

             Summary: Improve the master exception handling in Region server using zookeeper
watcher
                 Key: HBASE-14504
                 URL: https://issues.apache.org/jira/browse/HBASE-14504
             Project: HBase
          Issue Type: Improvement
            Reporter: nijel
            Assignee: Pankaj Kumar


As per the current design, region server will fail over only if the connection got some exception.
As described in HBASE-14498, if there is any issue in master instance related to zookeeper
connection, the standBy master will become active. But the region servers will not fail over
This particular issue can be fixed in master side.

But as a generic solution, i think region server needs to depend on zookeeper watch to identify
the master change.
Assigning to [~pankaj2461] since this work is related to HBASE-14498

Any thoughts ? 





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