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https://issues.apache.org/jira/browse/MAPREDUCE-157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755585#action_12755585
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eric baldeschwieler commented on MAPREDUCE-157:
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Doug, so your patch will store binary AVRO? If we can convert, we should
probably convert all the way to native AVRO. That will be more tested / common
than text AVRO and presumably require less storage. Presumably AVRO will have
a full toolset for dumping / exploring files like this, so the binary format
should not be a problem?
> Job History log file format is not friendly for external tools.
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-157
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-157
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Affects Versions: 0.20.1
> Reporter: Owen O'Malley
> Assignee: Jothi Padmanabhan
> Fix For: 0.21.0
>
> Attachments: mapred-157-10Sep.patch, mapred-157-15Sep-v1.patch,
> mapred-157-15Sep.patch, mapred-157-4Sep.patch, mapred-157-7Sep-v1.patch,
> mapred-157-7Sep.patch, mapred-157-prelim.patch, MAPREDUCE-157-avro.patch,
> MAPREDUCE-157-avro.patch
>
>
> 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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