[HBASE-4050] Update HBase metrics framework to metrics2 framework

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.90.4
• Fix Version/s: 0.95.2
• Component/s: metrics

Environment

Java 6

• Tags: 0.96notable
• Assignee: Elliott Neil Clark
• Reporter: Eric Yang
• Created: 30/Jun/11 20:32
• Updated: 15/Oct/13 04:46
• Resolved: 19/Jun/13 00:20

Description

Metrics Framework has been marked deprecated in Hadoop 0.20.203+ and 0.22+, and it might get removed in future Hadoop release. Hence, HBase needs to revise the dependency of MetricsContext to use Metrics2 framework.

Issue Links

• blocks: HBASE-6323 [replication] most of the source metrics are wrong when there's multiple slaves
• contains: HBASE-7882 move region level metrics readReqeustCount and writeRequestCount to Metric 2
• is related to: HADOOP-8061 Back port trunk metrics2 changes to 1.x branch
• is related to: HADOOP-6728 Overhaul metrics framework
• relates to: HADOOP-7742 Evolve metrics2 in 0.23 and trunk to allow coexistence with 0.20-security releases
• relates to: HBASE-5325 Expose basic information about the master-status through jmx beans