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https://issues.apache.org/jira/browse/HADOOP-14599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16068738#comment-16068738
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Rushabh S Shah commented on HADOOP-14599:
-----------------------------------------

Thanks [~aramesh2] for working on this.
Seems like a good improvement to metrics.

Couple of comments.
1.
bq. +        updateMetrics(methodName , (int)(Time.monotonicNow() - timestamp), 
0, true);
The third parameter is {{processingTime}} and for rejected calls, the 
processing time should not be 0.
This means the call was processed in 0 ms.
For rejected calls, it shouldn't update processing time.

2. In {{TestRPC.java}}, 
bq. +import java.util.*;
Please don't use wild card characters for imports.


> RPC queue time metrics omit timed out clients
> ---------------------------------------------
>
>                 Key: HADOOP-14599
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14599
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics, rpc-server
>    Affects Versions: 2.7.0
>            Reporter: Ashwin Ramesh
>            Assignee: Ashwin Ramesh
>         Attachments: HADOOP-14599.001.patch
>
>
> RPC average queue time metrics will now update even if the client who made 
> the call timed out while the call was in the call queue.



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