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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5356) Refresh Log aggregation 'retention period' and 'check interval'
Date Fri, 28 Jun 2013 04:32:21 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13695254#comment-13695254

Devaraj K commented on MAPREDUCE-5356:

bq. I just figured that it made sense to add the LOG_AGGREGATION_ENABLED property(yarn.log-aggregation-enable)
to be refreshed along with other two props mentioned in my first comment.

Node Manager also uses this property and does log aggregation based in this property. If we
change dynamically for History Server, it leads to inconsistency between NM & HS.
> Refresh Log aggregation 'retention period' and 'check interval' 
> ----------------------------------------------------------------
>                 Key: MAPREDUCE-5356
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5356
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: jobhistoryserver
>    Affects Versions: 2.1.0-beta
>            Reporter: Ashwin Shankar
>            Assignee: Ashwin Shankar
>              Labels: features
>         Attachments: MAPREDUCE-5266-2.txt, MAPREDUCE-5266-3.txt
> We want to be able to refresh log aggregation retention time
> and 'check interval' time on the fly by changing configs so that we dont have to bounce
history server.

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