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https://issues.apache.org/jira/browse/HBASE-21033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16581661#comment-16581661
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Ted Yu commented on HBASE-21033:
--------------------------------
I looked at 21033-branch-1-minimal.txt and think it makes sense.
Probably master patch should be attached (and get a QA run).
> Separate the StoreHeap from StoreFileHeap
> -----------------------------------------
>
> Key: HBASE-21033
> URL: https://issues.apache.org/jira/browse/HBASE-21033
> Project: HBase
> Issue Type: Improvement
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Priority: Minor
> Attachments: 21033-branch-1-minimal.txt, 21033-branch-1-v0.txt
>
>
> Currently KeyValueHeap is used for both, heaps of StoreScanners at the Region
> level as well as heaps of StoreFileScanners (and a MemstoreScanner) at the
> Store level.
> This is various problems:
> # Some incorrect method usage can only be deduced at runtime via runtime
> exception.
> # In profiling sessions it's hard to distinguish the two.
> # It's just not clean :)
>
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