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From Doğacan Güney (JIRA) <j...@apache.org>
Subject [jira] Commented: (HBASE-940) Make the TableOutputFormat batching-aware
Date Tue, 21 Oct 2008 16:49:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12641433#action_12641433
] 

Doğacan Güney commented on HBASE-940:
-------------------------------------

Does this mean that after HBASE-847, if MapOutputValueClass is BatchUpdate, reduce will have
to clone BatchUpdate objects before output.collect? Because if that is the case, I think a
lot of MR jobs will break.

> Make the TableOutputFormat batching-aware
> -----------------------------------------
>
>                 Key: HBASE-940
>                 URL: https://issues.apache.org/jira/browse/HBASE-940
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.19.0
>
>         Attachments: hbase-940-v1.patch
>
>
> With HBASE-748, we can batch updates but the auto-flushing is enabled by default. Make
it that it is disabled for MR jobs outputting in a table and make sure that everything is
sent in the end.

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