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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10156) FSHLog Refactor (WAS -> Fix up the HBASE-8755 slowdown when low contention)
Date Thu, 17 Apr 2014 18:07:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13973215#comment-13973215
] 

stack commented on HBASE-10156:
-------------------------------

On other side of the ring buffer would be difficult as things are now as we don't keep track
of the seqids we've 'appended' to the WAL (this we could change and it is changed in Himanshu's
patch that introduces switching WALs).

Thanks for taking a look here [~nkeywal]

> FSHLog Refactor (WAS -> Fix up the HBASE-8755 slowdown when low contention)
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-10156
>                 URL: https://issues.apache.org/jira/browse/HBASE-10156
>             Project: HBase
>          Issue Type: Sub-task
>          Components: wal
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.99.0
>
>         Attachments: 10156.txt, 10156v10.txt, 10156v11.txt, 10156v12.txt, 10156v12.txt,
10156v13.txt, 10156v16.txt, 10156v17.txt, 10156v18.txt, 10156v19.txt, 10156v2.txt, 10156v20.txt,
10156v20.txt, 10156v21.txt, 10156v21.txt, 10156v21.txt, 10156v3.txt, 10156v4.txt, 10156v5.txt,
10156v6.txt, 10156v7.txt, 10156v9.txt, Disrupting.java
>
>
> HBASE-8755 slows our writes when only a few clients.  Fix.



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