RFR: 8376051: gc/stress/TestStressG1Uncommit.java fails assertLessThan: expected that xxx < xxx

Thu Jan 22 08:27:17 UTC 2026

On Thu, 22 Jan 2026 08:08:01 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> > [JDK-8238686](https://bugs.openjdk.org/browse/JDK-8238686) change the default value MinHeapFreeRatio/MaxHeapFreeRatio to 0/100, this change make G1 never uncommit heap memory to OS system,
> 
> Fwiw, G1 will still uncommit memory to give back to the OS, just not automatically implied by full gcs.

It will re-evaluate and resize the heap at every young gc, based on GC cpu usage.

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PR Comment: https://git.openjdk.org/jdk/pull/29357#issuecomment-3783142936