[HDFS-4215] Improvements on INode and image loading

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.1.0-beta
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 20/Nov/12 22:12
• Updated: 03/Sep/14 22:46
• Resolved: 21/Nov/12 01:47

Description

• There are multiple places checking whether an inode is file by checking !isDirectory() && !isSymlink(). Let's add isFile() to INode.
• When adding child node to parent in image loading, synchronization is not needed.

Issue Links

• relates to: HDFS-4209 Clean up the addNode/addChild/addChildNoQuotaCheck methods in FSDirectory
• relates to: HDFS-2802 Support for RW/RO snapshots in HDFS