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From "Giridharan Kesavan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1834) Accelerate chmod task in ant files
Date Tue, 26 Jul 2011 19:28:09 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071300#comment-13071300

Giridharan Kesavan commented on HDFS-1834:

This patch requires porting to the latest hdfs code base.
I updated the patch locally and tested on my mac. It works fine.

>From apache ant manual:
maxparallel - Limit the amount of parallelism by passing at most this many sourcefiles at
once. Set it to <= 0 for unlimited. Defaults to unlimited. Since Ant 1.6.

what is the significance of the number "4096" ?

> Accelerate chmod task in ant files
> ----------------------------------
>                 Key: HDFS-1834
>                 URL: https://issues.apache.org/jira/browse/HDFS-1834
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 0.23.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HDFS-1834.patch
> The chmod tasks have a parallel="false" attribute attached to them.  This causes ant
to shell out for each and every item in the fileset which slows down parts of the build.

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