[HDFS-6960] Bugfix in LazyWriter, fix test case and some refactoring

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: HDFS-6581
• Fix Version/s: 2.6.0
• Component/s: datanode, test
• Hadoop Flags: Reviewed
• Assignee: Arpit Agarwal
• Reporter: Arpit Agarwal
• Created: 28/Aug/14 03:35
• Updated: 01/Dec/14 03:08
• Resolved: 29/Aug/14 06:16

Description

LazyWriter has a bug. While saving the replica to disk we would save it under current/lazyPersist/. Instead it should be saved under the appropriate subdirectory e.g. current/lazyPersist/subdir1/subdir0/.