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https://issues.apache.org/jira/browse/HBASE-20411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16449320#comment-16449320
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huaxiang sun commented on HBASE-20411:
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[~stack], [~anoop.hbase], I posted my patch here first, will come back and
check it tomorrow, :)
> Ameliorate MutableSegment synchronize
> -------------------------------------
>
> Key: HBASE-20411
> URL: https://issues.apache.org/jira/browse/HBASE-20411
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Priority: Major
> Attachments: 2.load.patched.17704.lock.svg,
> 2.load.patched.2.17704.lock.svg, 2.more.patch.12010.lock.svg, 41901.lock.svg,
> HBASE-20411-atomiclong-longadder.patch, HBASE-20411.branch-2.0.001.patch,
> HBASE-20411.branch-2.0.002.patch, HBASE-20411.branch-2.0.003.patch,
> HBASE-20411.branch-2.0.004.patch, HBASE-20411.branch-2.0.005.patch,
> HBASE-20411.branch-2.0.006.patch, HBASE-20411.branch-2.0.007.patch
>
>
> This item is migrated from HBASE-20236 so it gets dedicated issue.
> Let me upload evidence that has this synchronize as a stake in our write-time
> perf. I'll migrate the patch I posted with updates that come of comments
> posted by [~mdrob] on the HBASE-20236 issue.
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