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https://issues.apache.org/jira/browse/HBASE-20411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16471505#comment-16471505
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stack edited comment on HBASE-20411 at 5/11/18 5:24 AM:
--------------------------------------------------------

.014 Address [~mdrob] feedback and rebase.


was (Author: stack):
.014 Address [~mdrob] feedback.

> 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, 
> 2.pe.write.32026.lock.svg, 2.pe.write.ameliorate.106553.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, HBASE-20411.branch-2.0.008.patch, 
> HBASE-20411.branch-2.0.009.patch, HBASE-20411.branch-2.0.010.patch, 
> HBASE-20411.branch-2.0.011.patch, HBASE-20411.branch-2.0.012.patch, 
> HBASE-20411.branch-2.0.013.patch, jmc6.write_time_locks.png
>
>
> 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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