Workaround G1 bug for JDK 22 and 22.0.1 (#108571)

See https://bugs.openjdk.org/browse/JDK-8329528. The applied workaround
was suggested on the linked issue, and was tested and confirmed to avoid
the G1 bug.

distribution/tools/server-cli/src/main/java/org/elasticsearch/server/cli/SystemJvmOptions.java

@@ -77,6 +77,7 @@ static List<String> systemJvmOptions(Settings nodeSettings, final Map<String, St
             maybeEnableNativeAccess(),
             maybeOverrideDockerCgroup(distroType),
             maybeSetActiveProcessorCount(nodeSettings),
+            maybeWorkaroundG1Bug(),
             setReplayFile(distroType, isHotspot),
             "-Djava.library.path=" + libraryPath,
             "-Djna.library.path=" + libraryPath,
@@ -137,6 +138,17 @@ private static String maybeEnableNativeAccess() {
         return "";
     }
 
+    /*
+     * Only affects 22 and 22.0.1, see https://bugs.openjdk.org/browse/JDK-8329528
+     */
+    private static String maybeWorkaroundG1Bug() {
+        Runtime.Version v = Runtime.version();
+        if (v.feature() == 22 && v.update() <= 1) {
+            return "-XX:+UnlockDiagnosticVMOptions -XX:G1NumCollectionsKeepPinned=10000000";
+        }
+        return "";
+    }
+
     private static String findLibraryPath(Map<String, String> sysprops) {
         // working dir is ES installation, so we use relative path here
         Path platformDir = Paths.get("lib", "platform");

docs/changelog/108571.yaml

@@ -0,0 +1,5 @@
+pr: 108571
+summary: Workaround G1 bug for JDK 22 and 22.0.1
+area: Infra/CLI
+type: bug
+issues: []