RFR: 8297186: G1 triggers unnecessary full GCs when heap utilization is low

[Andrey Turbanov]

On Thu, 17 Nov 2022 13:14:12 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   can I have reviews for this change that better enforces that after gc there is at least one eden region to allocate into?
> 
> That avoids the problem described in the PR.
> 
> Thanks,
>   Thomas

test/hotspot/jtreg/gc/g1/TestOneEdenRegionAfterGC.java line 43:

> 41: 
> 42: public class TestOneEdenRegionAfterGC {
> 43:   private static long YoungGenSize  = 32 * 1024 * 1024;

nit
Suggestion:

  private static long YoungGenSize = 32 * 1024 * 1024;

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PR: https://git.openjdk.org/jdk/pull/11209