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Posted to mapreduce-issues@hadoop.apache.org by "Sharad Agarwal (JIRA)" <ji...@apache.org> on 2009/09/15 11:31:57 UTC
[jira] Updated: (MAPREDUCE-864) Enhance JobClient API
implementations to look at history files to get information about jobs that
are not in memory
[ https://issues.apache.org/jira/browse/MAPREDUCE-864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sharad Agarwal updated MAPREDUCE-864:
-------------------------------------
Fix Version/s: (was: 0.21.0)
> Enhance JobClient API implementations to look at history files to get information about jobs that are not in memory
> -------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-864
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-864
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: jobtracker
> Reporter: Devaraj Das
> Assignee: Sharad Agarwal
>
> MAPREDUCE-817 added an API to get the JobHistory URL from the JobTracker. This is useful in two ways:
> 1) Users can use this API to get the URL, copy the history files to their local disk, and, do processing on them
> 2) APIs like JobSubmissionProtocol.getJobCounters, can read a part of the history file, and then return the information to the caller (if the job is not there in JT memory). This would mimic most of the CompletedJobsStatusStore functionality.
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