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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1939) HLog group commit
Date Wed, 28 Oct 2009 00:41:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12770729#action_12770729
] 

Jean-Daniel Cryans commented on HBASE-1939:
-------------------------------------------

Well if HBASE-1416 is really just about the first issue then I think this jira plays well
with it, we can have a commit thread per WAL for example. Also my patch is already done, I'm
currently running the unit tests to make sure I didn't forget something.

> HLog group commit
> -----------------
>
>                 Key: HBASE-1939
>                 URL: https://issues.apache.org/jira/browse/HBASE-1939
>             Project: Hadoop HBase
>          Issue Type: New Feature
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.21.0
>
>
> Currently multiple clients writing to a RS are serialized when sync'ing their appends.
Implementing group commit can help this by being aware of all the clients in that queue.

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