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Posted to common-dev@hadoop.apache.org by "Vinay (JIRA)" <ji...@apache.org> on 2013/11/19 07:21:22 UTC

[jira] [Created] (HADOOP-10115) Exclude duplicate jars in hadoop package under different component's lib

Vinay created HADOOP-10115:
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             Summary: 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: Bug
    Affects Versions: 2.2.0, 3.0.0
            Reporter: Vinay
            Assignee: Vinay



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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