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https://issues.apache.org/jira/browse/MAPREDUCE-3745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195178#comment-13195178
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Mahadev konar commented on MAPREDUCE-3745:
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@Alejandro,
I think only bin/mapred does that. bin/yarn should be fixed.
> mapred/yarn scripts should use lib/'*' instead looping the dir for jar to
> create the classpath
> ----------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3745
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3745
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.23.1, 0.24.0
> Reporter: Alejandro Abdelnur
> Fix For: 0.23.1
>
>
> The scripts do a for loop on the JAR contents of the directory, they should
> just use '*' in the classpath, ie lib/'*'
> This will reduce the length of the generated classpath significantly
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