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Date: Fri, 29 Sep 2017 23:25:00 +0000 (UTC)
From: "Xiao Chen (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13103763.1505949439000.242519.1506727500431@Atlassian.JIRA>
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References: <JIRA.13103763.1505949439000@Atlassian.JIRA> <JIRA.13103763.1505949439903@jira-lw-us.apache.org>
Subject: [jira] [Commented] (HDFS-12518) Re-encryption should handle task
 cancellation and progress better
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archived-at: Fri, 29 Sep 2017 23:25:05 -0000


    [ https://issues.apache.org/jira/browse/HDFS-12518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16186665#comment-16186665 ] 

Xiao Chen commented on HDFS-12518:
----------------------------------

Thanks for kicking jenkins [~jojochuang]. Last rerun was after HDFS-12458 which fixed the flaky test. Failures unrelated.

> 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
>
>
> 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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