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8366476: Test gc/z/TestSmallHeap.java fails OOM with many NUMA nodes #27019

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8366476: Test gc/z/TestSmallHeap.java fails OOM with many NUMA nodes #27019

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6f39560
8366476: Test gc/z/TestSmallHeap.java fails OOM
Aug 30, 2025
7933367
Add -XX:-UseNUMA to avoid OOM after JDK-8359683
Sep 1, 2025
0be0161
update comment "Disable NUMA to avoid potential OOM after JDK-8359683"
Sep 2, 2025
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4 changes: 3 additions & 1 deletion test/hotspot/jtreg/gc/z/TestSmallHeap.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -54,6 +54,8 @@ public static void main(String[] args) throws Exception {
public static void main(String[] args) throws Exception {
for (var maxCapacity: args) {
ProcessTools.executeTestJava(
// Disable NUMA to avoid OOM with -Xmx16M after JDK-8359683
"-XX:-UseNUMA",
"-XX:+UseZGC",
"-Xlog:gc,gc+init,gc+reloc,gc+heap",
"-Xmx" + maxCapacity,
Expand Down