Yongjun Zhang created HDFS-11938:
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Summary: Logs for KMS delegation token lifecycle
Key: HDFS-11938
URL: https://issues.apache.org/jira/browse/HDFS-11938
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Yongjun Zhang
We run into quite some customer cases about authentication failures related to
KMS delegation token. It would be nice to see a log for each stage of the token:
1. creation
2. renewal
3. removal upon cancel
4. remove upon expiration
So that when we correlate the logs for the same DT, we can have a good picture
about what's going on, and what could have caused the authentication failure.
The same is applicable to other delegation tokens.
NOTE: When log info about delagation token, we don't want leak user's secret
info.
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