Andrew Wang created HDFS-11885:
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Summary: createEncryptionZone should not block on initializing
EDEK cache
Key: HDFS-11885
URL: https://issues.apache.org/jira/browse/HDFS-11885
Project: Hadoop HDFS
Issue Type: Bug
Components: encryption
Affects Versions: 2.6.5
Reporter: Andrew Wang
Assignee: Andrew Wang
Priority: Critical
When creating an encryption zone, we call {{ensureKeyIsInitialized}}, which
calls {{provider.warmUpEncryptedKeys(keyName)}}. This is a blocking call, which
attempts to fill the key cache up to the low watermark.
If the KMS is down or slow, this can take a very long time, and cause the
createZone RPC to fail with a timeout.
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