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https://issues.apache.org/jira/browse/HBASE-15650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-15650:
--------------------------
Attachment: 15650.branch-1.patch
I pushed patch to master branch.
Master branch needs another test cleanup effort. We've let it go rot. Tried
failing tests locally to be sure.
Here is patch for branch-1. Trying against hadoopqa because good bit different.
> Remove TimeRangeTracker as point of contention when many threads reading a
> StoreFile
> ------------------------------------------------------------------------------------
>
> Key: HBASE-15650
> URL: https://issues.apache.org/jira/browse/HBASE-15650
> Project: HBase
> Issue Type: Bug
> Components: Performance
> Affects Versions: 2.0.0
> Reporter: stack
> Assignee: stack
> Fix For: 2.0.0
>
> Attachments: 15650.branch-1.patch, 15650.branch-1.patch, 15650.patch,
> 15650.patch, 15650v2.patch, 15650v3.patch, 15650v4.patch, 15650v5.patch,
> 15650v6.patch, Point-of-contention-on-random-read.png
>
>
> HBASE-12148 is about "Remove TimeRangeTracker as point of contention when
> many threads writing a Store". It is also a point of contention when reading.
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