I'd be cautious of a 2013 report. G1 has had significant work put into it over the past year and is much improved in its latest incarnations. We've seen best re

I'd be cautious of a 2013 report. G1 has had significant work put into it over the past year and is much improved in its latest incarnations. We've seen best results with Java 8u5+ (Disclaimer: I run a company that sells a GC analysis tool).