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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6951) Correctly persist raw namespace xattrs to edit log and fsimage
Date Tue, 09 Sep 2014 14:07:32 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14127012#comment-14127012
] 

Hudson commented on HDFS-6951:
------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #1866 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1866/])
HDFS-6951. Correctly persist raw namespace xattrs to edit log and fsimage. Contributed by
Charles Lamb. (wang: rev 04915a08141bbe71bdef26e3f539aa8b76f89ac7)
* hadoop-hdfs-project/hadoop-hdfs/src/main/proto/fsimage.proto
* hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored.xml
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EncryptionZoneManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSXAttrBaseTest.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatPBINode.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZones.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeLayoutVersion.java
Update CHANGES.txt for HDFS-6951 (wang: rev 7498dd790eca39c142229a75c2801b5bf4b94983)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> Correctly persist raw namespace xattrs to edit log and fsimage
> --------------------------------------------------------------
>
>                 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
>             Fix For: 2.6.0
>
>         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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