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https://issues.apache.org/jira/browse/HADOOP-1733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12537672
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Doug Cutting commented on HADOOP-1733:
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I don't see a need for job ids to be identical between localrunner and
jobtracker. User code should not rely on the format of job ids. Having them
different helps enforce that! We should never parse job ids, but only require
them to be sufficiently unique.
So we should change the format of localrunner's job ids if they're not
sufficiently unique. I'm aware of no bugs resulting from localrunner job id
clashes. If any arise, then we might revisit this issue, otherwise I think we
should resolve this as "won't fix".
> LocalJobRunner uses old-style job/tip ids
> -----------------------------------------
>
> Key: HADOOP-1733
> URL: https://issues.apache.org/jira/browse/HADOOP-1733
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.14.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.16.0
>
>
> We should rework LocalJobRunner to use the new style job/tip ids (post
> HADOOP-1473).
> Is this a *blocker*? This isn't a functionality bug, yet ...
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