[
https://issues.apache.org/jira/browse/HDFS-5848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tsz Wo (Nicholas), SZE updated HDFS-5848:
-----------------------------------------
Attachment: h5848_20130130b.patch
h5848_20130130b.patch: add a rollingUpgradeInfo field to HeartbeatResponse
instead of a new DatanodeCommand.
> Add a DatanodeCommand to inform datanodes that rolling upgrade is in progress
> -----------------------------------------------------------------------------
>
> Key: HDFS-5848
> URL: https://issues.apache.org/jira/browse/HDFS-5848
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h5848_20130130.patch, h5848_20130130b.patch
>
>
> When rolling upgrade is in progress, NN should inform datanodes via heartbeat
> responses so that datanode should create hardlinks when deleting blocks. We
> need to add a new DatanodeCommand here. The datanode change will be done in
> a separated JIRA.
--
This message was sent by Atlassian JIRA
(v6.1.5#6160)
