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https://issues.apache.org/jira/browse/HDFS-16424?focusedWorklogId=710212&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-710212
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ASF GitHub Bot logged work on HDFS-16424:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Jan/22 01:56
Start Date: 18/Jan/22 01:56
Worklog Time Spent: 10m
Work Description: hfutatzhanghb commented on a change in pull request
#3884:
URL: https://github.com/apache/hadoop/pull/3884#discussion_r786365987
##########
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:
Hi, @tasanuma , thanks a lot for reviewing. yes, it is the same time
when calculated in internalQueueCall(call, false).
But in fact， this time is REQUEUE time , original implementation does not
record this time.
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Issue Time Tracking
-------------------
Worklog Id: (was: 710212)
Time Spent: 1h 10m (was: 1h)
> Add a new rpcMetric called requeueTime
> --------------------------------------
>
> Key: HDFS-16424
> URL: https://issues.apache.org/jira/browse/HDFS-16424
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: zhanghaobo
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> When observer namenode read enabled, if `call.getClientStateId() >
> alignmentContext.getLastSeenStateId()`, the rpc call will be requeued to
> callQueue.
> we need to know rpc requeue metrics to monitor requeue call and its
> performance.
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