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https://issues.apache.org/jira/browse/HBASE-1530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12751308#action_12751308
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stack commented on HBASE-1530:
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Move out of 0.20.1?
> Optimize changed readers notification to only update what has changed rather
> than rebuild entire KV heap
> --------------------------------------------------------------------------------------------------------
>
> Key: HBASE-1530
> URL: https://issues.apache.org/jira/browse/HBASE-1530
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.20.0
> Reporter: Jonathan Gray
> Fix For: 0.20.1
>
>
> As discussed in HBASE-1207 and to build on what was implemented in
> HBASE-1503, we should modify the existing KeyValueHeap in place by reusing
> any open scanners possible.
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