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https://issues.apache.org/jira/browse/OOZIE-1335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646814#comment-13646814
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Robert Kanter commented on OOZIE-1335:
--------------------------------------
I ran the tests locally and had no failures:
{noformat}
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Apache Oozie Main ................................. SUCCESS [1.771s]
[INFO] Apache Oozie Client ............................... SUCCESS [3.954s]
[INFO] Apache Oozie Hadoop 1.1.1.oozie-4.1.0-SNAPSHOT .... SUCCESS [0.384s]
[INFO] Apache Oozie Hadoop Distcp 1.1.1.oozie-4.1.0-SNAPSHOT SUCCESS [0.285s]
[INFO] Apache Oozie Hadoop 1.1.1.oozie-4.1.0-SNAPSHOT Test SUCCESS [0.644s]
[INFO] Apache Oozie Hadoop 2.0.2-alpha.oozie-4.1.0-SNAPSHOT SUCCESS [0.735s]
[INFO] Apache Oozie Hadoop 2.0.2-alpha.oozie-4.1.0-SNAPSHOT Test SUCCESS
[0.548s]
[INFO] Apache Oozie Hadoop Distcp 2.0.2-alpha.oozie-4.1.0-SNAPSHOT SUCCESS
[0.287s]
[INFO] Apache Oozie Hadoop 0.23.6.oozie-4.1.0-SNAPSHOT ... SUCCESS [0.488s]
[INFO] Apache Oozie Hadoop 0.23.6.oozie-4.1.0-SNAPSHOT Test SUCCESS [0.609s]
[INFO] Apache Oozie Hadoop Distcp 0.23.6.oozie-4.1.0-SNAPSHOT SUCCESS [0.276s]
[INFO] Apache Oozie Hadoop Libs .......................... SUCCESS [0.021s]
[INFO] Apache Oozie Hbase 0.94.2.oozie-4.1.0-SNAPSHOT .... SUCCESS [0.291s]
[INFO] Apache Oozie Hbase Libs ........................... SUCCESS [0.007s]
[INFO] Apache Oozie HCatalog 0.5.0.oozie-4.1.0-SNAPSHOT .. SUCCESS [3.354s]
[INFO] Apache Oozie HCatalog 0.6.0.oozie-4.1.0-SNAPSHOT .. SUCCESS [3.717s]
[INFO] Apache Oozie HCatalog Libs ........................ SUCCESS [0.009s]
[INFO] Apache Oozie Share Lib Oozie ...................... SUCCESS [1.222s]
[INFO] Apache Oozie Core ................................. SUCCESS [34:44.426s]
[INFO] Apache Oozie Docs ................................. SUCCESS [0.467s]
[INFO] Apache Oozie Share Lib Pig ........................ SUCCESS [7:52.874s]
[INFO] Apache Oozie Share Lib Hive ....................... SUCCESS [1:49.772s]
[INFO] Apache Oozie Share Lib Sqoop ...................... SUCCESS [1:31.392s]
[INFO] Apache Oozie Share Lib Streaming .................. SUCCESS [2:57.732s]
[INFO] Apache Oozie WebApp ............................... SUCCESS [0.681s]
[INFO] Apache Oozie Examples ............................. SUCCESS [11.209s]
[INFO] Apache Oozie Share Lib HCatalog ................... SUCCESS [0.365s]
[INFO] Apache Oozie Share Lib Distcp ..................... SUCCESS [28.254s]
[INFO] Apache Oozie Share Lib ............................ SUCCESS [0.036s]
[INFO] Apache Oozie Tools ................................ SUCCESS [23.201s]
[INFO] Apache Oozie MiniOozie ............................ SUCCESS [11.206s]
[INFO] Apache Oozie Distro ............................... SUCCESS [0.425s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 50:31.320s
[INFO] Finished at: Wed May 01 10:15:19 PDT 2013
[INFO] Final Memory: 42M/120M
[INFO] ------------------------------------------------------------------------
{noformat}
> The launcher job should use uber mode in Hadoop 2 by default
> ------------------------------------------------------------
>
> Key: OOZIE-1335
> URL: https://issues.apache.org/jira/browse/OOZIE-1335
> Project: Oozie
> Issue Type: Bug
> Affects Versions: trunk
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Fix For: trunk
>
> Attachments: OOZIE-1335.patch, OOZIE-1335.patch, OOZIE-1335.patch
>
>
> In theory, running the launcher job in Hadoop 2's uber mode should make the
> overall action time faster because we don't need to launch as many JVMs.
> I tested this out on a few of the examples in a VM, and it seems to save
> about 10 - 50 seconds per action. While my testing wasn't scientific and was
> only on a single VM, setting the launcher job to run in uber mode by default
> is such a trivial change and should at least not make it slower that I think
> we should do it.
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