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https://issues.apache.org/jira/browse/HDFS-5535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13930225#comment-13930225
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Hudson commented on HDFS-5535:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #506 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/506/])
Move HDFS-5535 to Release 2.4.0 in CHANGES.txt. (szetszwo:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1576148)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Umbrella jira for improved HDFS rolling upgrades
> ------------------------------------------------
>
> Key: HDFS-5535
> URL: https://issues.apache.org/jira/browse/HDFS-5535
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: datanode, ha, hdfs-client, namenode
> Affects Versions: 3.0.0, 2.2.0
> Reporter: Nathan Roberts
> Assignee: Tsz Wo Nicholas Sze
> Fix For: 2.4.0
>
> Attachments: HDFSRollingUpgradesHighLevelDesign.pdf,
> HDFSRollingUpgradesHighLevelDesign.v2.pdf,
> HDFSRollingUpgradesHighLevelDesign.v3.pdf, h5535_20140219.patch,
> h5535_20140220-1554.patch, h5535_20140220b.patch, h5535_20140221-2031.patch,
> h5535_20140224-1931.patch, h5535_20140225-1225.patch,
> h5535_20140226-1328.patch, h5535_20140226-1911.patch,
> h5535_20140227-1239.patch, h5535_20140228-1714.patch,
> h5535_20140304-1138.patch, h5535_20140304-branch-2.patch,
> h5535_20140310-branch-2.patch, hdfs-5535-test-plan.pdf
>
>
> In order to roll a new HDFS release through a large cluster quickly and
> safely, a few enhancements are needed in HDFS. An initial High level design
> document will be attached to this jira, and sub-jiras will itemize the
> individual tasks.
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