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https://issues.apache.org/jira/browse/HDFS-6601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14047128#comment-14047128
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Hudson commented on HDFS-6601:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk #1789 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1789/])
HDFS-6601. Issues in finalizing rolling upgrade when there is a layout version
change. Contributed by Kihwal Lee. (kihwal:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1606371)
* /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/FSEditLogLoader.java
*
/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/FSNamesystem.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java
> Issues in finalizing rolling upgrade when there is a layout version change
> --------------------------------------------------------------------------
>
> Key: HDFS-6601
> URL: https://issues.apache.org/jira/browse/HDFS-6601
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.5.0
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Priority: Blocker
> Fix For: 3.0.0, 2.5.0
>
> Attachments: HDFS-6601.patch
>
>
> After HDFS-6545, we have noticed a couple of issues.
> - The storage dir's VERSION file is not properly updated. This becomes a
> problem when there is a layout version change. We can have the finalization
> do {{storage.writeAll()}}
> - {{OP_ROLLING_UPGRADE_FINALIZE}} cannot be replayed, once the corresponding
> {{OP_ROLLING_UPGRADE_START}} is consumed and a new fsimage is created (e.g.
> rollback image). On restart, NN terminates complaining it can't finalize
> something that it didn't start. We can make NN ignore
> {{OP_ROLLING_UPGRADE_FINALIZE}} if no rolling upgrade is in progress.
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