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https://issues.apache.org/jira/browse/HDFS-2507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13137834#comment-13137834
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Hudson commented on HDFS-2507:
------------------------------
Integrated in Hadoop-Mapreduce-trunk #874 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/874/])
HDFS-2507. Allow saveNamespace operations to be canceled. Contributed by
Todd Lipcon.
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1190060
Files :
* /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/server/namenode/FSImage.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SaveNamespaceCancelledException.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SaveNamespaceContext.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/MD5FileUtils.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSaveNamespace.java
> HA: Allow saveNamespace operations to be canceled
> -------------------------------------------------
>
> Key: HDFS-2507
> URL: https://issues.apache.org/jira/browse/HDFS-2507
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: HA branch (HDFS-1623), 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: HA branch (HDFS-1623), 0.24.0
>
> Attachments: hdfs-2507.txt
>
>
> For HDFS-2291 (checkpointing in HA setup) we need to allow the StandbyNode to
> handle a failover while it may be in the middle of saving a checkpoint. This
> implies that checkpoints need to be abortable.
> This JIRA is to implement this functionality. Even though this is only needed
> for HA, I think we should do the infrastructure in trunk to simplify future
> merges.
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