[HDFS-5786] Support query and finalize rolling upgrade

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: HDFS-5535 (Rolling upgrades)
• Component/s: namenode
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 16/Jan/14 02:27
• Updated: 18/Jan/14 02:07
• Resolved: 18/Jan/14 02:07

Description

This is Namenode side implementation for supporting QUERY and FINALIZE actions of rolling upgrade.