[jira] Updated: (MAPREDUCE-932) Rumen needs a job trace sorter

["Dick King (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dick King updated MAPREDUCE-932:
--------------------------------

    Attachment: patch-932--2009-08-31--1702.patch

This patch will fail test-patch because the test cases lack an ASF license banner.

The test case and reference file are JSON files.  Although the Jackson JSON processor allows comments [which would allow for a human-readable banner], JSON standards do not have such a syntax, so there's no principled way to attach such a banner to every file including the test cases.

> Rumen needs a job trace sorter
> ------------------------------
>
>                 Key: MAPREDUCE-932
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-932
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Dick King
>            Assignee: Dick King
>         Attachments: patch-932--2009-08-31--1702.patch
>
>
> Rumen reads job history logs and produces job traces.  The jobs in a job trace do not occur in any promised order.  Certain tools need the jobs to be ordered by job submission time.  We should include, in Rumen, a tool to sort job traces.

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