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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10115) Exclude duplicate jars in hadoop package under different component's lib
Date Tue, 10 Mar 2015 05:19:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14354353#comment-14354353
] 

Vinayakumar B commented on HADOOP-10115:
----------------------------------------

Thanks [~aw] and [~busbey].

> Exclude duplicate jars in hadoop package under different component's lib
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-10115
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10115
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 3.0.0, 2.2.0
>            Reporter: Vinayakumar B
>            Assignee: Vinayakumar B
>              Labels: common, hdfs, mapreduce, nfs, yarn
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-10115-004.patch, HADOOP-10115-005.patch, HADOOP-10115-006.patch,
HADOOP-10115-007.patch, HADOOP-10115.patch, HADOOP-10115.patch, HADOOP-10115.patch
>
>
> In the hadoop package distribution there are more than 90% of the jars are duplicated
in multiple places.
> For Ex:
> almost all jars in share/hadoop/hdfs/lib are already there in share/hadoop/common/lib
> Same case for all other lib in share directory.
> Anyway for all the daemon processes all directories are added to classpath.
> So to reduce the package distribution size and the classpath overhead, remove the duplicate
jars from the distribution.



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