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From "Haibo Chen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6506) Make the reducer-preemption configs consistent in how they handle defaults
Date Wed, 07 Dec 2016 22:02:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Haibo Chen updated MAPREDUCE-6506:
----------------------------------
    Assignee:     (was: Haibo Chen)

> Make the reducer-preemption configs consistent in how they handle defaults
> --------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6506
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6506
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>          Components: applicationmaster
>    Affects Versions: 2.8.0
>            Reporter: Karthik Kambatla
>            Priority: Critical
>
> {{mapreduce.job.reducer.preempt.delay.sec}} and {{mapreduce.job.reducer.unconditional-preempt.delay.sec}}
are two configs related to reducer preemption. These configs are not consistent in how they
handle non-positive values. Also, the way to disable them is different. 
> It would be nice to make them consistent somehow, and change the behavior of former if
need be. 



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