[HDFS-5141] Add cache status information to datanode heartbeat

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: HDFS-4949
• Fix Version/s: HDFS-4949
• Component/s: datanode, namenode
• Target Version/s: HDFS-4949
• Assignee: Andrew Wang
• Reporter: Andrew Wang
• Created: 28/Aug/13 18:49
• Updated: 04/Sep/13 17:36
• Resolved: 30/Aug/13 22:16

Description

We need to propagate the cache capacity and cache remaining from the datanode to the namenode to make appropriate caching decisions.