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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10010) eliminate the put latency spike on the new log file beginning
Date Mon, 09 Dec 2013 05:08:07 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-10010:
--------------------------

       Resolution: Fixed
    Fix Version/s: 0.99.0
                   0.94.15
                   0.96.1
                   0.98.0
     Release Note: Forward port of a 0.89fb patch where we issue sync on WAL file construction
to force immediate setup of write pipeline (and do it outside of locks so don't hold up writes
during setup).
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Committed to all branches.


> eliminate the put latency spike on the new log file beginning
> -------------------------------------------------------------
>
>                 Key: HBASE-10010
>                 URL: https://issues.apache.org/jira/browse/HBASE-10010
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 0.94.13
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>             Fix For: 0.98.0, 0.96.1, 0.94.15, 0.99.0
>
>         Attachments: HBase-10010-0.94-v2.txt, HBase-10010-0.94-v3.txt, HBase-10010-0.94.txt,
HBase-10010-trunk-v2.txt, HBase-10010-trunk.txt
>
>
> In deed, the original finding came from fb, see HBASE-6813 for detailed discussion.
> Through this improvement doesn't expect obvious gain on 95th or 99th latency, it still
could make the response time more stable to me.



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