RFR: 8364183: Shenandoah: Improve commit/uncommit handling
Aleksey Shipilev
shade at openjdk.org
Thu Jul 31 15:21:00 UTC 2025
On Mon, 28 Jul 2025 10:34:25 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:
> While working on related bug, I found that Shenandoah commit/uncommit code has a few issues:
> 1. It throws Java OOME on commit/uncommit failures. These should actually be VM-level out of memory errors, so they are properly fatal.
> 2. Throwing OOME on uncommit looks fairly weird.
> 3. We are not zapping on the newly committed regions.
>
> Additional testing:
> - [x] Linux x86_64 server fastdebug, `hotspot_gc_shenandoah`
> - [x] Linux x86_64 server fastdebug, `all` + `-XX:+UseShenandoahGC`
Thanks! Here goes.
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PR Comment: https://git.openjdk.org/jdk/pull/26502#issuecomment-3140369815
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