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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5834) Job History log file format is not friendly for external tools.
Date Wed, 20 May 2009 21:44:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12711369#action_12711369
] 

Owen O'Malley commented on HADOOP-5834:
---------------------------------------

Doug suggests using Jackson library for JSON parsing and generation. Its url is http://jackson.codehaus.org/.

> Job History log file format is not friendly for external tools.
> ---------------------------------------------------------------
>
>                 Key: HADOOP-5834
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5834
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Owen O'Malley
>
> Currently, parsing the job history logs with external tools is very difficult because
of the format. The most critical problem is that newlines aren't escaped in the strings. That
makes using tools like grep, sed, and awk very tricky.

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