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https://issues.apache.org/jira/browse/HDFS-11210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15857085#comment-15857085
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Andrew Wang commented on HDFS-11210:
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Gotcha, I figured it was related to negative numbers, though my quick tests
with python returned positive numbers. I guess Java's behavior is different;
definitely a quirky area for languages.
Anyway I'm +1 pending Jenkins (and the comment improvement if you want). Great
work here!
> Enhance key rolling to guarantee new KeyVersion is returned from
> generateEncryptedKeys after a key is rolled
> ------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-11210
> URL: https://issues.apache.org/jira/browse/HDFS-11210
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: encryption, kms
> Affects Versions: 2.6.5
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Attachments: HDFS-11210.01.patch, HDFS-11210.02.patch,
> HDFS-11210.03.patch, HDFS-11210.04.patch, HDFS-11210.05.patch
>
>
> To support re-encrypting EDEK, we need to make sure after a key is rolled, no
> old version EDEKs are used anymore. This includes various caches when
> generating EDEK.
> This is not true currently, simply because no such requirements / necessities
> before.
> This includes
> - Client Provider(s), and corresponding cache(s).
> When LoadBalancingKMSCP is used, we need to clear all KMSCPs.
> - KMS server instance(s), and corresponding cache(s)
> When KMS HA is configured with multiple KMS instances, only 1 will receive
> the {{rollNewVersion}} request, we need to make sure other instances are
> rolled too.
> - The Client instance inside NN(s), and corresponding cache(s)
> When {{hadoop key roll}} is succeeded, the client provider inside NN should
> be drained too.
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