[HDFS-4141] Directory diff in snapshots

• 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: 02/Nov/12 00:02
• Updated: 03/Nov/12 01:33
• Resolved: 03/Nov/12 01:33

Description

With snapshots, the same directory could have different states, e.g. different sets of children, in different snapshots. We implement a directory diff algorithm in this JIRA.