JEP 291: Deprecate the Concurrent Mark Sweep (CMS) Garbage Collector

[Thomas Schatzl]

Hi,

On Tue, 2017-04-04 at 23:48 -0700, kant kodali wrote:
> I don't really understand the rationale for JEP 291. If the whole
> point of Jigsaw is to reduce the memory footprint such that Java can
> run effectively on containers and smaller devices such as raspberry
> pi then I wonder how G1 flares on these small devices ? especially
> when we know CMS performs well on smaller heap sizes. In short, I'm
> just trying to say while its great that JDK team came up with Jigsaw
> to optimize and run effectively for smaller devices but then we are
> introducing slower Garbage collector?!

  just curious: what "smaller heap sizes" on these devices do you have
in mind?

Maybe you can even provide some kind of application where CMS
significantly outperforms (on which metric(s)) G1?

Thanks,
  Thomas