[HDFS-4684] Snapshot: Use INode id for image serialization

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Snapshot (HDFS-2802)
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 10/Apr/13 21:35
• Updated: 11/Apr/13 13:46
• Resolved: 10/Apr/13 22:24

Description

Since HDFS-4339 was committed, let's use id in ReferenceMap instead of generating reference IDs. Generating reference ids actually does not work well when writing image with multiple threads.