Integrated: 8366476: Test gc/z/TestSmallHeap.java fails OOM with many NUMA nodes

SendaoYan syan at openjdk.org
Wed Sep 3 01:00:50 UTC 2025


On Sat, 30 Aug 2025 05:47:46 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> 
>   The PR [JDK-8359683](https://bugs.openjdk.org/browse/JDK-8359683) added NUMA-Aware Relocation for ZGC, it's optimized for the majority of NUMA workloads, but the cost is requiring more headroom in terms of heap memory. This PR add extra JVM option "-XX:-UseNUMA" to make this test run normally.
> 
> Test-fix only, change has been verified locally, no risk.

This pull request has now been integrated.

Changeset: e268563a
Author:    SendaoYan <syan at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/e268563a10b67bdcb3c030743ed3e2b3b7dfd0f7
Stats:     3 lines in 1 file changed: 2 ins; 0 del; 1 mod

8366476: Test gc/z/TestSmallHeap.java fails OOM with many NUMA nodes

Reviewed-by: jsikstro, aboldtch

-------------

PR: https://git.openjdk.org/jdk/pull/27019


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