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https://issues.apache.org/jira/browse/HADOOP-12916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15214729#comment-15214729
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ASF GitHub Bot commented on HADOOP-12916:
-----------------------------------------

Github user xiaoyuyao commented on a diff in the pull request:

    https://github.com/apache/hadoop/pull/86#discussion_r57619429
  
    --- Diff: 
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
 ---
    @@ -1636,6 +1640,15 @@ public long getTimeDuration(String name, long 
defaultValue, TimeUnit unit) {
         return unit.convert(Long.parseLong(vStr), vUnit.unit());
       }
     
    +  public long[] getTimeDurations(String name, TimeUnit unit) {
    --- End diff --
    
    Good point. I will address that in the next patch.


> 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, HADOOP-12916.04.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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