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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9030) Chaos monkey can leave the balancer off.
Date Tue, 23 Jul 2013 23:28:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13717758#comment-13717758
] 

Andrew Purtell commented on HBASE-9030:
---------------------------------------

How about:

- Rename DoActionsOncePolicy. The name is a bit unfortunate because it runs periodically.

- Add a new DoActionsOncePolicy that does not inherit from PeriodicPolicy. It's actions would
only run once at start() and stop().

- Add a new Action that enables the balancer.

- Add a new policy SETUP_ACTION_POLICY that includes only the new balancer enable action.

- Create the ChaosMonkey with new ChaosMonkey(..., SETUP_ACTION_POLICY, EVERY_MINUTE_RANDOM_ACTION_POLICY)

?


                
> Chaos monkey can leave the balancer off.
> ----------------------------------------
>
>                 Key: HBASE-9030
>                 URL: https://issues.apache.org/jira/browse/HBASE-9030
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>            Reporter: Elliott Clark
>
> Our IT test cluster has been seeing really bad perf because we've seen that the balancer
is left off after a few tests.

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