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Posted to common-dev@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2008/07/08 03:02:31 UTC

[jira] Commented: (HADOOP-3669) Aggregate Framework should allow usage of MultipleOutputFormat

    [ https://issues.apache.org/jira/browse/HADOOP-3669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12611420#action_12611420 ] 

Hadoop QA commented on HADOOP-3669:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12385387/HADOOP-3669_v1.patch
  against trunk revision 674671.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    -1 patch.  The patch command could not apply the patch.

Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2806/console

This message is automatically generated.

> Aggregate Framework should allow usage of MultipleOutputFormat
> --------------------------------------------------------------
>
>                 Key: HADOOP-3669
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3669
>             Project: Hadoop Core
>          Issue Type: Improvement
>    Affects Versions: 0.17.0
>            Reporter: Ankur
>            Assignee: Ankur
>         Attachments: HADOOP-3669_v1.patch
>
>
> Currently the output format is hard-coded to be TextOutputFormat in ValueAggregatorJob responsible for running aggregation jobs using user-defined value aggregator descriptors. This prevents the application writer from specifying an alternate output format.
> A good use case from an application's perspective is to have a sub-type of MultipleOutputFormat set as output format which takes care of redirecting (key, value)
> to different files based on type information encoded in them.
> Applications can extend MultipleTextOutputFormat and define there own multiple output format but they still can't hook it into value aggregator framework.

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