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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4191) Add a testcase for jobhistory
Date Tue, 30 Sep 2008 04:23:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12635648#action_12635648
] 

Vinod K V commented on HADOOP-4191:
-----------------------------------

That's quite a few things to keep track of. Instead of trying to track them *only* via a test
case, we can centralize these requirements in something like a schema definition, which can
then be used by jobhistory clients to validate a history file before its usage. Thoughts?

> 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
>             Fix For: 0.19.0
>
>
> 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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