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https://issues.apache.org/jira/browse/HDFS-6971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14148068#comment-14148068
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Zhe Zhang commented on HDFS-6971:
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[~andrew.wang] What level of time-boundedness do we need? Is
{{expireAfterAccess}} sufficient or we need {{expireAfterWrite}}? I think the
latter is necessary right?
> Bounded staleness of EDEK caches on the NN
> ------------------------------------------
>
> Key: HDFS-6971
> URL: https://issues.apache.org/jira/browse/HDFS-6971
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: encryption
> Affects Versions: 2.5.0
> Reporter: Andrew Wang
> Assignee: Zhe Zhang
>
> The EDEK cache on the NN can hold onto keys after the admin has rolled the
> key. It'd be good to time-bound the caches, perhaps also providing an
> explicit "flush" command.
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