
Rick Hudson, Go GC: Solving the Latency Problem, GopherCon 2015, Denver, Colorado
(slides)
Zooming in, there is still a slight positive correlation between heap size and GC pauses. But they know what the issue is and it will be fixed in Go 1.6.

Rick Hudson, Go GC: Solving the Latency Problem, GopherCon 2015, Denver, Colorado
(slides)
Zooming in, there is still a slight positive correlation between heap size and GC pauses. But they know what the issue is and it will be fixed in Go 1.6.