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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2025/04/01 08:05:00 UTC

[jira] [Commented] (HDFS-17709) [ARR] Add async responder and async handler performance metrics.

    [ https://issues.apache.org/jira/browse/HDFS-17709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17939960#comment-17939960 ] 

ASF GitHub Bot commented on HDFS-17709:
---------------------------------------

hfutatzhanghb commented on code in PR #7292:
URL: https://github.com/apache/hadoop/pull/7292#discussion_r2022357808


##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/AsyncRpcProtocolPBUtil.java:
##########
@@ -87,6 +89,7 @@ public static <T, R> R asyncIpcClient(
     // transfer thread local context to worker threads of executor.
     ThreadLocalContext threadLocalContext = new ThreadLocalContext();
     asyncCompleteWith(responseFuture.handleAsync((result, e) -> {
+      FederationRPCMetrics.ASYNC_RESPONDER_START_TIME.set(Time.monotonicNow());

Review Comment:
   Hi,  @KeeProMise . I think using ThreadLocalContext here will cause this metrics not accurate. What's your opinion? Hope to receive from you! Thanks.





> [ARR] Add async responder and async handler performance metrics.
> ----------------------------------------------------------------
>
>                 Key: HDFS-17709
>                 URL: https://issues.apache.org/jira/browse/HDFS-17709
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: rbf
>            Reporter: farmmamba
>            Assignee: farmmamba
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: image-2025-01-16-16-58-29-730.png
>
>
> Add metrics to measure the performance of async responder and async handler threads.
> This metric can guide us to tune the async responder and async handler thread pools.
>  
> !image-2025-01-16-16-58-29-730.png!



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