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From "Lei Xia (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HELIX-586) Race condition could happen when invokeRebalance() in TaskDriver try to touch IdealState
Date Fri, 20 Mar 2015 22:04:39 GMT
Lei Xia created HELIX-586:
-----------------------------

             Summary: Race condition could happen when invokeRebalance() in TaskDriver try
to touch IdealState
                 Key: HELIX-586
                 URL: https://issues.apache.org/jira/browse/HELIX-586
             Project: Apache Helix
          Issue Type: Bug
            Reporter: Lei Xia


invokeRebalance() in TaskDriver is a hack to touch idealstate until bug concerning resource
config changes not driving rebalance is fixed.

There is possible race condition here, if idealstate is deleted by taskBalancer before, it
will generate a null/empty znode.



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