[HDFS-5630] Hook up cache directive and pool usage statistics

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: 2.3.0
• Component/s: caching, namenode
• Assignee: Andrew Wang
• Reporter: Andrew Wang
• Created: 05/Dec/13 00:42
• Updated: 12/May/16 18:18
• Resolved: 05/Dec/13 21:10

Description

Right now we have stubs for bytes/files statistics for cache pools, but we need to hook them up so they're actually being tracked.

This is a pre-requisite for enforcing per-pool quotas.