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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-817) Add a cache for retired jobs with minimal job info and provide a way to access history file url
Date Thu, 13 Aug 2009 14:58:15 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj Das updated MAPREDUCE-817:
----------------------------------

    Issue Type: Sub-task  (was: New Feature)
        Parent: MAPREDUCE-863

> Add a cache for retired jobs with minimal job info and provide a way to access history
file url
> -----------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-817
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-817
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: client, jobtracker
>            Reporter: Sharad Agarwal
>            Assignee: Sharad Agarwal
>             Fix For: 0.21.0
>
>         Attachments: 817_v1.patch, 817_v2.patch, 817_v3.patch, 817_ydist.patch, 817_ydist_new.patch,
817_ydist_new_1.patch
>
>
> MAPREDUCE-814 will provide a way to keep the job history files in HDFS. There should
be a way to get the url for the completed job history fie. The completed jobs can be purged
from memory more aggressively from jobtracker since the clients can retrieve the information
from history file. Jobtracker can just maintain the very basic info about the completed jobs.

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