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https://issues.apache.org/jira/browse/HBASE-4499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans resolved HBASE-4499.
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Resolution: Fixed
Assignee: Chris Trezzo
Release Note: ReplicationSource keeps track of its previous location and
won't update ZK if it doesn't need to.
Hadoop Flags: Reviewed
I tested the patch and it works as advertised, committed to 0.92 and trunk.
Thanks Chris!
> [replication] Source shouldn't update ZK if it didn't progress
> --------------------------------------------------------------
>
> Key: HBASE-4499
> URL: https://issues.apache.org/jira/browse/HBASE-4499
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.90.4
> Reporter: Jean-Daniel Cryans
> Assignee: Chris Trezzo
> Priority: Minor
> Fix For: 0.92.0
>
> Attachments: 4499.txt
>
>
> A relatively minor optimization to be done in ReplicationSource, currently it
> calls ReplicationSourceManager.logPositionAndCleanOldLogs whether it made
> progress or not, generating more load on ZK than necessary. The last position
> should be kept around so that we can compare.
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