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https://issues.apache.org/jira/browse/HADOOP-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated HADOOP-1473:
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Attachment: new-job-id.patch
This patch adds the "job tracker start time" to all of the job and task ids.
This should make all of the job ids unique on a given job tracker.
> Make jobids unique across jobtracker restarts
> ---------------------------------------------
>
> Key: HADOOP-1473
> URL: https://issues.apache.org/jira/browse/HADOOP-1473
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.12.3
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.14.0
>
> Attachments: new-job-id.patch
>
>
> I'll make the job ids unique across JobTracker restarts by adding the startup
> time of the JobTracker, so if the JobTracker started at 8 Jun 2007 14:50, the
> first job would be called:
> job_200706081450_00001
> the second job would be:
> job_200706081450_00002
> and so on...
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