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Posted to common-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2007/06/11 16:59:26 UTC
[jira] Issue Comment Edited: (HADOOP-1320) Rewrite 'random-writer'
to use '-reducer NONE'
[ 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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Re: [jira] Issue Comment Edited: (HADOOP-1320) Rewrite 'random-writer' to use '-reducer NONE'
Posted by Arkady Borkovsky <ar...@yahoo-inc.com>.
I do not think that anyone relies on part names produced by reducer -
NONE.
On Jun 11, 2007, at 7:59 AM, Arun C Murthy (JIRA) wrote:
>
> [ 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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