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https://issues.apache.org/jira/browse/HADOOP-12916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15207177#comment-15207177
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Tsz Wo Nicholas Sze commented on HADOOP-12916:
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The new patch looks good. One last comment:
- Since averageResponseTimeInLastWindow and callCountInLastWindow are atomic
arrays, we can remove synchronized (this) when accessing them.
> Allow different Hadoop IPC Call Queue throttling policies with FCQ/BackOff
> --------------------------------------------------------------------------
>
> Key: HADOOP-12916
> URL: https://issues.apache.org/jira/browse/HADOOP-12916
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Attachments: HADOOP-12916.00.patch, HADOOP-12916.01.patch,
> HADOOP-12916.02.patch, HADOOP-12916.03.patch
>
>
> Currently back off policy from HADOOP-10597 is hard coded to base on whether
> call queue is full. This ticket is open to allow flexible back off policies
> such as moving average of response time in RPC calls of different priorities.
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