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Posted to common-dev@hadoop.apache.org by "JiangHua Zhu (Jira)" <ji...@apache.org> on 2022/01/17 07:59:00 UTC

[jira] [Created] (HADOOP-18082) Add debug log when RPC#Reader gets a Call

JiangHua Zhu created HADOOP-18082:
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             Summary: Add debug log when RPC#Reader gets a Call
                 Key: HADOOP-18082
                 URL: https://issues.apache.org/jira/browse/HADOOP-18082
             Project: Hadoop Common
          Issue Type: Improvement
          Components: rpc-server
    Affects Versions: 2.9.2
            Reporter: JiangHua Zhu


Now there is an important question. That is, we only know when a Call is actually executed by the Handler. By logging, we cannot know when the Call came in.
If I log some information from the moment the Call enters the inside of the RPC, it will help us to know more about the Call.
The records here should be in the form of logs, and the priority of the logs should not be too high, debug is the best.



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