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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (HADOOP-1320) Rewrite 'random-writer' to use '-reducer NONE'
Date Mon, 11 Jun 2007 14:59:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12503427
] 

Arun C Murthy edited comment on HADOOP-1320 at 6/11/07 7:58 AM:
----------------------------------------------------------------

I realise, rather belatedly, that changing the filename of the output of {{MapTask.DirectMapOutputCollector}}
to make it compatible with that of {{ReduceTask}} results in changes to output of streaming's
*-reducer NONE* too (e.g. I had to fix {{org.apache.hadoop.streaming.TestStreamReduceNone}})
- is this a big concern for streaming users? Runping/Arkady?


 was:
I realise, rather belatedly, that changing the filename of the output of {{MapTask.DirectMapOutputCollector}}
to make it compatible with that of {{ReduceTask}} results in changes to output of streaming's
*-reducer NONE* too (e.g. I had to fix {{org.apache.hadoop.streaming.TestStreamReduceNone}})
- is this a big concern for streaming users? Runping? Arkday?

> Rewrite 'random-writer' to use '-reducer NONE'
> ----------------------------------------------
>
>                 Key: HADOOP-1320
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1320
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: examples
>    Affects Versions: 0.12.3
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
>            Priority: Minor
>             Fix For: 0.14.0
>
>         Attachments: HADOOP-1320_1_20070611.patch, HADOOP-1320_2_20070611.patch
>
>
> Post HADOOP-1216 the 'random-writer' is archaic in the sense that it uses custom code
to write data to dfs, this is now supported by the framework and doesn't make sense to reinvent
the wheel here.

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