cloud_controller_ng process only uses 100% cpu

Lyu yun

I'm using CF v195, Ruby v2.1.4;

CC VM using 4 core, I found ruby process(in fact is cloud_controller_ng process) can reach 104% cpu usage on average on the 4 cores, but can not reach more higher.

Dose ruby 2.1.4 can parallel threads on multi core?

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