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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2016/04/28 18:45:13 UTC
[jira] [Updated] (HBASE-12116) Hot contention spots; writing
[ https://issues.apache.org/jira/browse/HBASE-12116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-12116:
--------------------------
Component/s: Performance
> Hot contention spots; writing
> -----------------------------
>
> Key: HBASE-12116
> URL: https://issues.apache.org/jira/browse/HBASE-12116
> Project: HBase
> Issue Type: Improvement
> Components: Performance
> Reporter: stack
> Assignee: stack
> Fix For: 2.0.0
>
> Attachments: 12116.checkForReplicas.txt, 12116.stringify.and.cache.scanner.maxsize.txt, 12116.txt, Screen Shot 2014-09-29 at 5.12.51 PM.png, Screen Shot 2014-09-30 at 10.39.34 PM.png, Screen Shot 2015-04-13 at 2.03.05 PM.png, perf.write3.svg, perf.write4.svg
>
>
> Playing with flight recorder, here are some write-time contentious synchronizations/locks (picture coming)
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