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Posted to common-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2009/01/27 09:19:02 UTC
[jira] Updated: (HADOOP-5128) JobQueueTaskScheduler should Assign
multiple reduces per heartbeat
[ https://issues.apache.org/jira/browse/HADOOP-5128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy updated HADOOP-5128:
----------------------------------
Component/s: mapred
Assignee: Arun C Murthy
> JobQueueTaskScheduler should Assign multiple reduces per heartbeat
> ------------------------------------------------------------------
>
> Key: HADOOP-5128
> URL: https://issues.apache.org/jira/browse/HADOOP-5128
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.21.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
>
> Currently the JobQueueTaskScheduler assigns only 1 reduce per heartbeat, for applications where latency is important we could assign more reduces (upto available slots).
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