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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MAPREDUCE-1465) archive partSize should be configurable
Date Wed, 10 Feb 2010 01:54:28 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE resolved MAPREDUCE-1465.
-----------------------------------------------

    Resolution: Duplicate

Duplicate MAPREDUCE-1428.

> archive partSize should be configurable
> ---------------------------------------
>
>                 Key: MAPREDUCE-1465
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1465
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: harchive
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Mahadev konar
>
> The archive part size is current set to 2GB.  For archiving 10^5 small files, it took
52 minutes since there is only 1 mapper.
> {noformat}
> -bash-3.1$ time $H archive ${Q} -archiveName ${DIR}.3.har -p ${PARENT} ${DIR} ${PARENT}
> 10/02/06 01:55:14 INFO mapred.JobClient: Running job: job_201002042035_5737
> ...
> 10/02/06 02:47:18 INFO mapred.JobClient:  map 100% reduce 100%
> 10/02/06 02:47:19 INFO mapred.JobClient: Job complete: job_201002042035_5737
> ...
> 10/02/06 02:47:19 INFO mapred.JobClient:     Reduce input records=100002
> real    52m27.188s
> user    0m29.314s
> sys     0m1.276s
> {noformat}

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