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Posted to common-dev@hadoop.apache.org by "Runping Qi (JIRA)" <ji...@apache.org> on 2007/10/09 23:53:50 UTC
[jira] Updated: (HADOOP-2015) Job tracker should report the number
of splits that are local to some task trackers
[ https://issues.apache.org/jira/browse/HADOOP-2015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Runping Qi updated HADOOP-2015:
-------------------------------
Status: Patch Available (was: Open)
> Job tracker should report the number of splits that are local to some task trackers
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-2015
> URL: https://issues.apache.org/jira/browse/HADOOP-2015
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Reporter: Runping Qi
> Assignee: Runping Qi
> Attachments: hadoop-2015.txt
>
>
> Right now, jon tracker keeps track the number of launched mappers with local data.
> However, it is not clear how many mappers that are potentially be launched with data locality.
> This information is readily available in Job Tracker. It is just a matter to create a separate global counter
> and set it at the Job Tracker initialization time.
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