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From "ryan rawson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2467) Concurrent flushers in HLog sync using HDFS-895
Date Sun, 31 Oct 2010 00:39:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926666#action_12926666
] 

ryan rawson commented on HBASE-2467:
------------------------------------

Since 895 is client side only we can ship with special jars in hbase this
closing this issue.


> Concurrent flushers in HLog sync using HDFS-895
> -----------------------------------------------
>
>                 Key: HBASE-2467
>                 URL: https://issues.apache.org/jira/browse/HBASE-2467
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>             Fix For: 0.90.0
>
>         Attachments: HBASE-2467-v2.patch, HBASE-2467-v3.patch, hbase-2467.txt
>
>
> HDFS-895 changes hflush() to be able to run concurrently from multiple threads, where
flushes can be concurrent with further writes to the same file.
> We need to rip out/amend the group commit code a bit to take advantage of this.

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