G1 guidelines/suggestions

[Joy Xiong]

Hi,
We have hundreds of services all running with CMS, and I am very interested in moving the services from CMS to G1. For that efforts to be convincing, I'd like to start services which has the most potential to beat CMS in terms of performance. I understand JVM performance is very application-specific, but still I want to check if anybody has guidelines/suggestions on which type of applications can benefit from G1 the best?
Appreciate any comments you may have.-Joy
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