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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1939) HLog group commit
Date Thu, 29 Oct 2009 23:47:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771700#action_12771700
] 

Raghu Angadi commented on HBASE-1939:
-------------------------------------

yes. should be same as accessing inside a synchronized section. We could consider atomic or
volatile if findbugs does not see that.

> 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
>
>         Attachments: HBASE-1939-v2.patch, HBASE-1939-v3.patch, HBASE-1939.patch
>
>
> 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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