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Hadoop QA commented on HDFS-5535: --------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12631348/hdfs-5535-test-plan.pdf against trunk revision . {color:red}-1 patch{color}. The patch command could not apply the patch. Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6247//console This message is automatically generated. > 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 > Attachments: HDFSRollingUpgradesHighLevelDesign.pdf, > h5535_20140219.patch, h5535_20140220-1554.patch, h5535_20140220b.patch, > h5535_20140221-2031.patch, h5535_20140224-1931.patch, > h5535_20140225-1225.patch, h5535_20140226-1256.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. -- This message was sent by Atlassian JIRA (v6.1.5#6160)