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https://issues.apache.org/jira/browse/HDFS-4978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13706544#comment-13706544
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Hudson commented on HDFS-4978:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #4075 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4075/])
HDFS-4978. Make disallowSnapshot idempotent. Contributed by Jing Zhao. (jing9:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1502400)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/ClientProtocol.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/SnapshotManager.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestNestedSnapshots.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshot.java
> Make disallowSnapshot idempotent
> --------------------------------
>
> Key: HDFS-4978
> URL: https://issues.apache.org/jira/browse/HDFS-4978
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Fix For: 2.1.0-beta
>
> Attachments: HDFS-4978.001.patch, HDFS-4978.002.patch,
> HDFS-4978.003.patch, HDFS-4978.004.patch, HDFS-4978.005.patch
>
>
> Currently disallowSnapshot is not idempotent: an exception will be thrown
> when the directory is already non-snapshottable. This jira tries to make it
> idempotent.
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