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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