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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/30 00:33:38 UTC

[jira] [Resolved] (MAPREDUCE-1368) Vertica adapter doesn't use explicity transactions or report progress

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-1368.
-----------------------------------------

    Resolution: Won't Fix

Adapter was removed long ago.

> Vertica adapter doesn't use explicity transactions or report progress
> ---------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1368
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1368
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/vertica
>    Affects Versions: 0.21.0
>            Reporter: Omer Trajman
>            Assignee: Omer Trajman
>
> The vertica adapter doesn't use explicit transactions, so speculative tasks can result in duplicate loads.  The JDBC driver supports it so the fix is pretty minor. Also the JDBC driver commits synchronously and the adapter needs to report progress even if it takes longer than the timeout.



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