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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9485) TableOutputCommitter should implement recovery if we don't want jobs to start from 0 on RM restart
Date Wed, 04 Dec 2013 01:12:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13838439#comment-13838439
] 

Devaraj Das commented on HBASE-9485:
------------------------------------

+1 from me as well. Thanks [~vinodkv] for the explanation.

> TableOutputCommitter should implement recovery if we don't want jobs to start from 0
on RM restart
> --------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-9485
>                 URL: https://issues.apache.org/jira/browse/HBASE-9485
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 9485-v2.txt
>
>
> HBase extends OutputCommitter which turns recovery off. Meaning all completed maps are
lost on RM restart and job starts from scratch. FileOutputCommitter implements recovery so
we should look at that to see what is potentially needed for recovery.



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