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https://issues.apache.org/jira/browse/HBASE-4499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13117601#comment-13117601
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Chris Trezzo commented on HBASE-4499:
-------------------------------------
@J-D
Here is a simple sketch patch. I have not tested it yet.
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
> Priority: Minor
> Fix For: 0.92.0
>
>
> 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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