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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12518) Re-encryption should handle task cancellation and progress better
Date Tue, 17 Oct 2017 04:21:03 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Xiao Chen updated HDFS-12518:
    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}})

> 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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