RFR: JDK-8293114: GC should trim the native heap [v2]

Sat Sep 3 04:20:37 UTC 2022

On Fri, 2 Sep 2022 20:04:11 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

> Another question: does it have to create another thread? can it piggyback to e.g. `ServiceThread`?

It does so on Shenandoah, but the problem is the time trimming takes. As I wrote, it can take <1ms to up to almost a second. You then block the service thread for that time. So, even on Shenandoah I am not sure I shouldn't use a different thread.

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PR: https://git.openjdk.org/jdk/pull/10085