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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5148) Syslog missing from Map/Reduce tasks
Date Wed, 08 May 2013 08:45:17 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13651713#comment-13651713
] 

Arun C Murthy commented on MAPREDUCE-5148:
------------------------------------------

Btw, for future reference - we need to ensure that the code has right defaults for all configs
i.e. in this case it would be required to ensure TaskTracker sets correct defaults for all
properties in task-log4j.properties.

Furthermore, task-log4j.properties has a bunch of stuff which shouldn't have been blindly
copied from the main log4j.properties such as definitions for jobsummary log etc. 

We should minimize contents of that file and, as above, ensure that all properties defined
in task-log4j.properties are correctly represented in code too.
                
> Syslog missing from Map/Reduce tasks
> ------------------------------------
>
>                 Key: MAPREDUCE-5148
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5148
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 1.2.0
>            Reporter: yeshavora
>            Assignee: Arun C Murthy
>         Attachments: MAPREDUCE-5148.patch, Screenshot_MAPREDUCE-5148.png
>
>
> MAPREDUCE-4970 introduced incompatible change and causes syslog to be missing from tasktracker
on old clusters which just have log4j.properties configured

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