Add digested system metrics to SystemMetrics demux parser
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Key: CHUKWA-571
URL: https://issues.apache.org/jira/browse/CHUKWA-571
Project: Chukwa
Issue Type: New Feature
Components: MR Data Processors
Environment: Java 6, Mac OS X 10.6
Reporter: Eric Yang
Assignee: Eric Yang
For now, the system metrics demux parser are storing raw metrics. Each system
components are measured independently. It would be nice to make a summary
grouping for cpu, disk, network. Instead of storing cpu:combined.0 ...
cpu:combined.8, for 8 cpu cores in the system, it would be nice to have a
average number for all cpus combined. The digested metrics are easier to
aggregate at cluster level.
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