enable ZGC by default?

[chengenzhao]

Hi:

Openjdk 16 is released
and it supports ZGC which could make gc pause lower than 1ms
so is it possible to enable ZGC by default?

<options>
  <option>-XX:+UseZGC</option>
</optoins>

thx

[AlmasB]

Hi, I don't know much about ZGC, but will investigate

[chengenzhao]

We tried enable ZGC on FXGL games
and based on the console debug info.
Before(using default G1 gc strategy) the gc pause is ~280 or even higher
using ZGC, the gc pause decreased to ~30