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https://issues.apache.org/jira/browse/HDFS-12518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Chen updated HDFS-12518:
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Attachment: HDFS-12518.02.patch
Thanks for the review [~jojochuang]!
Patch 2 addressed first 2 comments. For synchronization, I'd prefer to keep
things simple and easier to maintain. So kept the current (all {{submissions}}
protected by {{synchronized}}) way.
> Re-encryption should handle task cancellation and progress better
> -----------------------------------------------------------------
>
> Key: HDFS-12518
> URL: https://issues.apache.org/jira/browse/HDFS-12518
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: encryption
> Affects Versions: 3.0.0-beta1
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Attachments: HDFS-12518.01.patch, HDFS-12518.02.patch
>
>
> Re-encryption should handle task cancellation and progress tracking better in
> general.
> In a recent internal report, a canceled re-encryption could lead to the
> progress of the zone being 'Processing' forever. Sending a new cancel command
> would make it complete, but new re-encryptions for the same zone wouldn't
> work because the canceled future is not removed.
> This jira proposes to fix that, and enhance the currently handling so new
> command would start from a clean state.
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