Componentization

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This page provides information regarding to the ticket \[1\].

TODO

Refactor BSPMaster
2. Refactor GroomServer
3. Messaging system
4. Monitor system

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\[1\]. [Componentize major services \|https://issues.apache.org/jira/browse/HAMA-1004]

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\[2\]. [Efficient reliable UDP unicast, UDP multicast, and IPC message transport\|https://github.com/real-logic/Aeron]

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\[3\]. [Capturing JVM- and application-level metrics \|https://github.com/dropwizard/metrics]