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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7007) [MTTR] Study assigns to see if we can make them faster still
Date Thu, 18 Oct 2012 00:02:03 GMT
stack created HBASE-7007:

             Summary: [MTTR] Study assigns to see if we can make them faster still
                 Key: HBASE-7007
                 URL: https://issues.apache.org/jira/browse/HBASE-7007
             Project: HBase
          Issue Type: Improvement
            Reporter: stack

Looking at a cluster start, I saw that it took about 25 minutes to assign and open 17k regions.
 8 minutes was bulk assigning via zk.  17 minutes was opening the regions.  "HBASE-6640 [0.89-fb]
Allow multiple regions to be opened simultaneously" in trunk would help but maybe we can do
less work up in zk for instance; e.g. if 3.4.5, we can do bulk ops in zk (or make a bulk assign
znode that has many regions instead of one)

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