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https://issues.apache.org/jira/browse/HDFS-12947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16354708#comment-16354708
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Hudson commented on HDFS-12947:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13623 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13623/])
HDFS-12947. Limit the number of Snapshots allowed to be created for a
(szetszwo: rev 4d1bf33d0fa7689a6f83a9c6e5adaac665c0d5d5)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FSImageFormatPBSnapshot.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSnapshotCommands.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshot.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestNestedSnapshots.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeDirectory.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/SnapshotManager.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectorySnapshottableFeature.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
> Limit the number of Snapshots allowed to be created for a Snapshottable
> Directory
> ---------------------------------------------------------------------------------
>
> Key: HDFS-12947
> URL: https://issues.apache.org/jira/browse/HDFS-12947
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: snapshots
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Major
> Attachments: HDFS-12947.001.patch, HDFS-12947.002.patch,
> HDFS-12947.003.patch, HDFS-12947.004.patch
>
>
> Currently, A snapshottable directory is able to accommodate 65,536 snapshots.
> In case a directory has large no of snapshots , deletion of any of the
> earlier snapshots take a lot of time which might lead to namenode crash
> (HDFS-11225).
> This jira is introduced to limit the no of the snapshots under a
> snapshottable directory to a reasonable value(say 10) which can be overriden.
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