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https://issues.apache.org/jira/browse/HDFS-14403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16807006#comment-16807006
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Erik Krogen commented on HDFS-14403:
------------------------------------

I moved this to the HDFS project as I remembered that this has HDFS-specific 
components. Fully specced out design document, and initial patch, coming in the 
next few days.

> Cost-Based RPC FairCallQueue
> ----------------------------
>
>                 Key: HDFS-14403
>                 URL: https://issues.apache.org/jira/browse/HDFS-14403
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ipc, namenode
>            Reporter: Erik Krogen
>            Assignee: Christopher Gregorian
>            Priority: Major
>              Labels: qos, rpc
>
> HADOOP-15016 initially described extensions to the Hadoop FairCallQueue 
> encompassing both cost-based analysis of incoming RPCs, as well as support 
> for reservations of RPC capacity for system/platform users. This JIRA intends 
> to track the former, as HADOOP-15016 was repurposed to more specifically 
> focus on the reservation portion of the work.



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