[HDFS-1668] Federation: Datanode needs to send block pool usage information in registration

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Federation Branch
• Fix Version/s: Federation Branch
• Component/s: datanode, namenode
• Hadoop Flags: Reviewed
• Assignee: Suresh Srinivas
• Reporter: Suresh Srinivas
• Created: 28/Feb/11 17:36
• Updated: 01/Mar/11 04:32
• Resolved: 01/Mar/11 04:32

Description

Block pool storage usage needs to be sent from datanode to namenode in heartbeat requests. This will be used by namenode to show the block pool space usage on namenode webUI. This will also be used by Balancer eventually for balancing block pool usage.