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Date: Tue, 15 Aug 2006 12:42:18 -0700 (PDT)
From: "Sanjay Dahiya (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Work started: (HADOOP-239) job tracker WI drops jobs after
 24 hours
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     [ http://issues.apache.org/jira/browse/HADOOP-239?page=all ]

Work on HADOOP-239 started by Sanjay Dahiya.

> job tracker WI drops jobs after 24 hours
> ----------------------------------------
>
>                 Key: HADOOP-239
>                 URL: http://issues.apache.org/jira/browse/HADOOP-239
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Yoram Arnon
>         Assigned To: Sanjay Dahiya
>            Priority: Minor
>
> The jobtracker's WI, keeps track of jobs executed in the past 24 hours.
> if the cluster was idle for a day (say Sunday) it drops all its history.
> Monday morning, the page is empty.
> Better would be to store a fixed number of jobs (say 10 each of succeeded and failed jobs).
> Also, if the job tracker is restarted, it loses all its history.
> The history should be persistent, withstanding restarts and upgrades.

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