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https://issues.apache.org/jira/browse/HADOOP-5187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12672542#action_12672542
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Yiping Han commented on HADOOP-5187:
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Regarding distribution of excess capacity. Should we have a priority mode
between queues. Say, queues are given priorities, so when there are excess
capacity, they are given to the queues with highest priority first.
I agree with Vinod, this should be made pluggable.
> Provide an option to turn off priorities in jobs
> ------------------------------------------------
>
> Key: HADOOP-5187
> URL: https://issues.apache.org/jira/browse/HADOOP-5187
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/fair-share
> Reporter: Hemanth Yamijala
> Priority: Minor
>
> The fairshare scheduler can define pools mapping to queues (as defined in the
> capacity scheduler - HADOOP-3445). When used in this manner, one can imagine
> queues set up to be used by users who come from disparate teams or
> organizations (say a default queue). For such a queue, it makes sense to
> ignore job priorities and consider the queue as strict FIFO, as it is
> difficult to compare priorities of jobs from different users.
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