[HDFS-6809] Move some Balancer's inner classes to standalone classes

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.6.0
• Component/s: balancer & mover
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 01/Aug/14 20:30
• Updated: 01/Dec/14 03:07
• Resolved: 07/Aug/14 07:23

Description

Some of the inner classes in Balancer such as MovedBlocks, Matcher, etc. can be moved out as standalone classes so that these classes can be reused by other code such as the new data migration tool proposed in HDFS-6801.

Issue Links

• is required by: HDFS-6801 Archival Storage: Add a new data migration tool