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https://issues.apache.org/jira/browse/HBASE-3137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell resolved HBASE-3137.
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Assignee: (was: Liang Xie)
Resolution: Incomplete
> Optimize CAS operations in ZKAssign by being optimistic rather than always
> doing a sync()
> -----------------------------------------------------------------------------------------
>
> Key: HBASE-3137
> URL: https://issues.apache.org/jira/browse/HBASE-3137
> Project: HBase
> Issue Type: Improvement
> Components: Zookeeper
> Reporter: Jonathan Gray
> Priority: Major
>
> HBASE-3136 introduces a fix to the CAS operations in ZKAssign by doing a call
> to ZK sync() before doing the operation.
> This gives correct behavior but requires doing a sync every time, even if it
> isn't necessary. Instead, we should be optimistic and only do
> retries/syncing if necessary.
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