[GitHub] [hadoop] tasanuma commented on a change in pull request #3884: HDFS-16424. Add a new requeue rpcmetric

[GitBox <gi...@apache.org>]

tasanuma commented on a change in pull request #3884:
URL: https://github.com/apache/hadoop/pull/3884#discussion_r786363769



##########
File path: hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
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@@ -3158,6 +3161,9 @@ private void requeueCall(Call call)
         throws IOException, InterruptedException {
       try {
         internalQueueCall(call, false);
+        long deltaNanos = Time.monotonicNowNanos() - call.timestampNanos;

Review comment:
       Isn't it the same time as ENQUEUE calculated in `internalQueueCall(call, false)` of the before line?




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