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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2758) MR-279: Log info about the location of dist cache
Date Mon, 09 Mar 2015 21:36:40 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Allen Wittenauer updated MAPREDUCE-2758:
    Fix Version/s:     (was: 0.24.0)

> MR-279: Log info about the location of dist cache
> -------------------------------------------------
>                 Key: MAPREDUCE-2758
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2758
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Ramya Sunil
>            Assignee: Siddharth Seth
>            Priority: Minor
> Currently, there is no log info available about the actual location of the file/archive
in dist cache being used by the task except for the "ln" command in task.sh. We need to log
this information to help in debugging esp in those cases where there are more than one archive
with the same name. 
> In 0.20.x, in task logs, one could find log info such as the following:
> INFO org.apache.hadoop.mapred.TaskRunner: Creating symlink: <distcache location>/archive
<- <mapred.local.dir>/archive 

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