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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5846) Log job history events to a common dump file
Date Fri, 15 May 2009 08:44:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12709763#action_12709763

Devaraj Das commented on HADOOP-5846:

Ideally we should implement a queue where we dump the history data and a thread that processes
that queue asynchronously. But that could be done in a later jira. This jira is meant to help
Chukwa folks make better sense out of the history data.

> Log job history events to a common dump file
> --------------------------------------------
>                 Key: HADOOP-5846
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5846
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
> As of today all the jobhistory events are logged to separate files. It would be nice
to also dump all this info into a common file so that external tools (e.g Chukwa) can harvest
history info. Job configuration should also be dumped. Whether to use a same log file for
history dumps and configuration dumps should be configurable (by default everything goes to
one file). 

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