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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1583) Start/Stop of large cluster untenable
Date Thu, 25 Jun 2009 01:07:07 GMT
Start/Stop of large cluster untenable
-------------------------------------

                 Key: HBASE-1583
                 URL: https://issues.apache.org/jira/browse/HBASE-1583
             Project: Hadoop HBase
          Issue Type: Bug
            Reporter: stack
             Fix For: 0.20.0


Starting and stopping a loaded large cluster is way too flakey and takes too long.  This is
0.19.x but same issues apply to TRUNK I'd say.

At pset with our > 100 nodes carrying 6k regions:

+ shutdown takes way too long.... maybe ten minutes or so.  We compact regions inline with
shutdown.  We should just go down.  It doesn't seem like all regionservers go down everytime
either.
+ startup is a mess with our assigning out regions an rebalancing at same time.  By time that
the compactions on open run, it can be near an hour before whole thing settles down and becomes
useable

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