Wei-Chiu Chuang created HADOOP-16257:
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Summary: Expose KMS CachingKeyProvider statistics
Key: HADOOP-16257
URL: https://issues.apache.org/jira/browse/HADOOP-16257
Project: Hadoop Common
Issue Type: Improvement
Components: kms
Reporter: Wei-Chiu Chuang
We saw a case where KMS seems to be blocked by its backing key provider. In our
case it's Cloudera Key Trustee Server.
KMS maintains a local cache of metadata. It would be beneficial to expose the
statistics about the cache to understand the performance impact.
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