JEP 248: Make G1 the Default Garbage Collector

Kirk Pepperdine kirk at
Tue Jun 2 13:47:45 UTC 2015

On Jun 2, 2015, at 2:30 PM, Vitaly Davidovich <vitalyd at> wrote:

> Perhaps you misunderstood - I'm saying it's sadly true that most apps
> stress the GC.

Ahh, my bad, I did read that backwards.. my apologies!

> As for awareness of GC impact on performance, it's well understood in
> certain circles, but perhaps not as widely as it should be.  Part of that
> is due to java not having any options other than heap allocation and the
> other is the GC marketing of "allocations are cheap”.

that marketing is cr at p and I educate against it at every opportunity *with real world examples*. Collection of recently dead is cheap (something else that I also demo), allocating still comes at cost from a number of directions.. but I digress..

— Kirk

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