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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8438) Extend bin/hbase to print a "mapreduce classpath"
Date Fri, 15 Nov 2013 23:15:24 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13824223#comment-13824223
] 

Enis Soztutar commented on HBASE-8438:
--------------------------------------

This looks good. 

> Extend bin/hbase to print a "mapreduce classpath"
> -------------------------------------------------
>
>                 Key: HBASE-8438
>                 URL: https://issues.apache.org/jira/browse/HBASE-8438
>             Project: HBase
>          Issue Type: Improvement
>          Components: scripts
>    Affects Versions: 0.94.6.1, 0.95.0, 0.94.13
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>             Fix For: 0.98.0, 0.96.1, 0.94.14
>
>         Attachments: 0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch,
0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch, 0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch,
0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch, 0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch,
0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch, 0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch,
0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch, 0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch,
HBASE-8438-0.94.00.patch, HBASE-8438-0.94.01.patch, HBASE-8438.09.patch
>
>
> For tools like pig and hive, blindly appending the full output of `bin/hbase classpath`
to their own CLASSPATH is excessive. They already build CLASSPATH entries for hadoop. All
they need from us is the delta entries, the dependencies we require w/o hadoop and all of
it's transitive deps. This is also a kindness for Windows, where there's a shorter limit on
the length of commandline arguments.
> See also HIVE-2055 for additional discussion.



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