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https://issues.apache.org/jira/browse/HBASE-14636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14962194#comment-14962194
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ramkrishna.s.vasudevan commented on HBASE-14636:
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With the above approache I was able to avoid OOME with even a 2GB heap space
while doing a compaction. Without this change a 2GB compaction was OOMEing
without any other operations being performed.
So I suggest we do the clear after every next() in compaction flow.
> Clear HFileScannerImpl#prevBlocks in btw Compaction flow
> --------------------------------------------------------
>
> Key: HBASE-14636
> URL: https://issues.apache.org/jira/browse/HBASE-14636
> Project: HBase
> Issue Type: Sub-task
> Components: regionserver, Scanners
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Priority: Blocker
> Fix For: 2.0.0
>
>
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