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https://issues.apache.org/jira/browse/HADOOP-12916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15202471#comment-15202471
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Tsz Wo Nicholas Sze commented on HADOOP-12916:
----------------------------------------------

I mean ctor.newInstance() below.
{code}
+      Constructor<T> ctor = theClass.getDeclaredConstructor(int.class);
+      return ctor.newInstance();
{code}

> 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
>
>
> 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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