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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4191) Add a testcase for jobhistory
Date Thu, 12 Feb 2009 03:31:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12672864#action_12672864
] 

Ravi Gummadi commented on HADOOP-4191:
--------------------------------------

1 & 2.  Local file system seems to be good enough.

3. Will add validation of format of SPLITS and TOTAL_MAPS, TOTAL_REDUCES, FINISHED_MAPS, FINISHED_REDUCES,
FAILED_MAPS, FAILED_REDUCES.

4. Will do validation of all keys, values of history file by comparing them with actual values
obtained from JT.


> Add a testcase for jobhistory
> -----------------------------
>
>                 Key: HADOOP-4191
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4191
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred, test
>            Reporter: Amar Kamat
>            Assignee: Ravi Gummadi
>         Attachments: HADOOP-4191.patch, HADOOP-4191.v2.patch
>
>
> Changes in job history might break the history parser which in turn might break some
features like jobtracker-recovery, history-viewer etc. There should be a testcase that catches
these incompatible changes early and informs about the expected change.

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