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From "Charles Lamb (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6951) Saving namespace and restarting NameNode will remove existing encryption zones
Date Mon, 08 Sep 2014 21:55:29 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14126177#comment-14126177

Charles Lamb commented on HDFS-6951:


TNCR passed on my machine. TWHFSC fails with and without the patch.


This is an expected failure.

> Saving namespace and restarting NameNode will remove existing encryption zones
> ------------------------------------------------------------------------------
>                 Key: HDFS-6951
>                 URL: https://issues.apache.org/jira/browse/HDFS-6951
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: encryption
>    Affects Versions: 3.0.0
>            Reporter: Stephen Chu
>            Assignee: Charles Lamb
>         Attachments: HDFS-6951-editsStored-binary, HDFS-6951-prelim.002.patch, HDFS-6951-testrepo.patch,
HDFS-6951.001.patch, HDFS-6951.002.patch, HDFS-6951.003.patch, HDFS-6951.004.patch, HDFS-6951.005.patch,
HDFS-6951.006.patch, HDFS-6951.007.patch, editsStored
> Currently, when users save namespace and restart the NameNode, pre-existing encryption
zones will be wiped out.
> I could reproduce this on a pseudo-distributed cluster:
> * Create an encryption zone
> * List encryption zones and verify the newly created zone is present
> * Save the namespace
> * Kill and restart the NameNode
> * List the encryption zones and you'll find the encryption zone is missing
> I've attached a test case for {{TestEncryptionZones}} that reproduces this as well. Removing
the saveNamespace call will get the test to pass.

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