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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7302) namenode -rollingUpgrade downgrade may finalize a rolling upgrade
Date Tue, 03 Mar 2015 11:34:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344949#comment-14344949
] 

Hudson commented on HDFS-7302:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #855 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/855/])
HDFS-7302. Remove "downgrade" from "namenode -rollingUpgrade" startup option since it may
incorrectly finalize an ongoing rolling upgrade. (szetszwo: rev 431e7d84c7b68b34ff18de19afe8e46637047fa6)
* hadoop-hdfs-project/hadoop-hdfs/src/site/xdoc/HdfsRollingUpgrade.xml
* hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestHdfsServerConstants.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/HdfsServerConstants.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeOptionParsing.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeDowngrade.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> namenode -rollingUpgrade downgrade may finalize a rolling upgrade
> -----------------------------------------------------------------
>
>                 Key: HDFS-7302
>                 URL: https://issues.apache.org/jira/browse/HDFS-7302
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Kai Sasaki
>              Labels: document, hdfs
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-7302.1.patch, HDFS-7302.2.patch, HDFS-7302.3.patch
>
>
> The namenode startup option "-rollingUpgrade downgrade" is originally designed for downgrading
cluster.  However, running "namenode -rollingUpgrade downgrade" with the new software could
result in finalizing the ongoing rolling upgrade.



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