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https://issues.apache.org/jira/browse/HDFS-14403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16847975#comment-16847975
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Erik Krogen commented on HDFS-14403:
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Now that HADOOP-16266 has been committed, we can resume progress here. I've
attached a v007 patch based on top of the HADOOP-16266 changes. One thing I
haven't done yet is change the variable names inside of {{DecayRpcScheduler}}
-- all of the {{callCount}} references need to be changed to {{callCost}}. I
think this will make it a bit harder to review, so I'll wait until folks have
time to do a first pass.
Ping [~linyiqun], [~csun], [~daryn] in case any of you are interested in taking
a look.
> 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
> Attachments: CostBasedFairCallQueueDesign_v0.pdf,
> HDFS-14403.001.patch, HDFS-14403.002.patch, HDFS-14403.003.patch,
> HDFS-14403.004.patch, HDFS-14403.005.patch, HDFS-14403.006.combined.patch,
> HDFS-14403.006.patch, HDFS-14403.007.patch, HDFS-14403.branch-2.8.patch
>
>
> 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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