[jira] [Updated] (OOZIE-1728) When an ApplicationMaster restarts, it restarts the launcher job: DistCp followup

["Ryota Egashira (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OOZIE-1728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ryota Egashira updated OOZIE-1728:
----------------------------------

    Assignee: Ryota Egashira  (was: Robert Kanter)

> When an ApplicationMaster restarts, it restarts the launcher job: DistCp followup
> ---------------------------------------------------------------------------------
>
>                 Key: OOZIE-1728
>                 URL: https://issues.apache.org/jira/browse/OOZIE-1728
>             Project: Oozie
>          Issue Type: Sub-task
>    Affects Versions: trunk
>            Reporter: Robert Kanter
>            Assignee: Ryota Egashira
>
> In doing OOZIE-1722, we had not not add support for the DistCp action because there wasn't a good clean way to set the {{mapreduce.job.tags}} property on the job launched by DistCp that would work between all versions of Hadoop.
> The best solution would be to switch our version of Hadoop 1 to Hadoop 1.2.1 (OOZIE-1613), which would make DistCp v2 available in Hadoop 1.  The signatures of DistCp's constructor (where we can pass the tags property in a Configuration) should then be same.  We can then duplicate what DistCp.main(...) does.  
> A more immediate solution would involve some ugly reflection based on different versions of Hadoop.



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