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Posted to hdfs-dev@hadoop.apache.org by "Andrew Wang (JIRA)" <ji...@apache.org> on 2017/05/25 17:40:04 UTC

[jira] [Created] (HDFS-11885) createEncryptionZone should not block on initializing EDEK cache

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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