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https://issues.apache.org/jira/browse/HADOOP-16224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16807003#comment-16807003
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Erik Krogen commented on HADOOP-16224:
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Please see Section 2.2 of the [initial design
document|https://issues.apache.org/jira/secure/attachment/12902423/Adding%20reservation%20support%20to%20NameNode%20RPC%20resource_v2.pdf]
posted to HADOOP-15016 for more details on the proposed design.
fyi [~ywskycn], [~xyao] who were originally involved with HADOOP-15016
> RPC FairCallQueue Reservation Support
> -------------------------------------
>
> Key: HADOOP-16224
> URL: https://issues.apache.org/jira/browse/HADOOP-16224
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: Erik Krogen
> 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 cost-based portion of the work.
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