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https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14180672#comment-14180672
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stack commented on HBASE-12148:
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bq. Can we simply remove the synchronization?
Multiple threads can write the memstore at the one time. Memstore is not
synchronized. As part of the add to memstore, we update the tracker.
Ditto at read time.
What you reckon? [~lhofhansl]
> Remove TimeRangeTracker as point of contention when many threads writing a
> Store
> --------------------------------------------------------------------------------
>
> Key: HBASE-12148
> URL: https://issues.apache.org/jira/browse/HBASE-12148
> Project: HBase
> Issue Type: Sub-task
> Components: Performance
> Affects Versions: 2.0.0, 0.99.1
> Reporter: stack
> Assignee: stack
> Fix For: 2.0.0, 0.98.8, 0.99.2
>
> Attachments:
> 0001-In-AtomicUtils-change-updateMin-and-updateMax-to-ret.patch,
> 12148.addendum.txt, 12148.txt, 12148.txt, 12148v2.txt, 12148v2.txt, Screen
> Shot 2014-10-01 at 3.39.46 PM.png, Screen Shot 2014-10-01 at 3.41.07 PM.png
>
>
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