Vikas Kumar created RANGER-5285:
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Summary: Create and implement solution to capture
KMS-DelegationToken API metrics
Key: RANGER-5285
URL: https://issues.apache.org/jira/browse/RANGER-5285
Project: Ranger
Issue Type: Improvement
Components: kms
Reporter: Vikas Kumar
Assignee: Vikas Kumar
In many prod env, KMS slows down due to DelegationToken issues. KMS uses
"hadoop-common" lib for this and this lib uses Zookeeper to store DTs.
Many times, KMS becomes unresponsive during peak load. Having such metrics can
help in debugging the issues.
Expectation here is to capture the DT call metrics like
create/delete/verify/renew DT etc in a separate section of the metrics json
response payload.
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