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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1469) Sqoop should disable speculative execution in export
Date Fri, 12 Feb 2010 05:25:27 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tom White updated MAPREDUCE-1469:
---------------------------------

       Resolution: Fixed
    Fix Version/s: 0.22.0
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

+1

I've just committed this. Thanks Aaron!

> Sqoop should disable speculative execution in export
> ----------------------------------------------------
>
>                 Key: MAPREDUCE-1469
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1469
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/sqoop
>            Reporter: Aaron Kimball
>            Assignee: Aaron Kimball
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1469.patch
>
>
> Concurrent writers of the same output shard may cause the database to try to insert duplicate
primary keys concurrently. Not a good situation. Speculative execution should be forced off
for this operation.

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