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Kihwal Lee resolved HDFS-5585. ------------------------------ Resolution: Fixed Fix Version/s: HDFS-5535 (Rolling upgrades) Hadoop Flags: Reviewed Thanks for the review, Vinay and Brandon. I've committed this to the RU branch. > Provide admin commands for data node upgrade > -------------------------------------------- > > Key: HDFS-5585 > URL: https://issues.apache.org/jira/browse/HDFS-5585 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: datanode, ha, hdfs-client, namenode > Reporter: Kihwal Lee > Assignee: Kihwal Lee > Fix For: HDFS-5535 (Rolling upgrades) > > Attachments: HDFS-5585.patch, HDFS-5585.patch, HDFS-5585.patch > > > Several new methods to ClientDatanodeProtocol may need to be added to support > querying version, initiating upgrade, etc. The admin CLI needs to be added > as well. This primary use case is for rolling upgrade, but this can be used > for preparing for a graceful restart of a data node for any reasons. -- This message was sent by Atlassian JIRA (v6.1.5#6160)