Lei Xia created HELIX-586:
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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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