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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7735) Prevent regions from moving during online snapshot.
Date Fri, 01 Feb 2013 01:12:11 GMT
Jonathan Hsieh created HBASE-7735:
-------------------------------------

             Summary: Prevent regions from moving during online snapshot.
                 Key: HBASE-7735
                 URL: https://issues.apache.org/jira/browse/HBASE-7735
             Project: HBase
          Issue Type: Sub-task
            Reporter: Jonathan Hsieh


To increase the probability of snapshots succeeding, we should attempt to prevent splits and
region moves from happening.  Currently we take region locks but this could be "too late"
and results in an aborted snapshot.  

We should probably take the table lock (0.96) when starting a snapshot and for  a 0.94 backport
we should probably disable the balancer.

This will probably not be tackled until after trunk merge.

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