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SOLR-18544: Source CPU utilization metric from JFR instead JMX #5185

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SOLR-18544: Source CPU utilization metric from JFR instead JMX #5185

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Source CPU utilization metric from JFR instead
mlbiscoc Oct 19, 2026
4c2d22d
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mlbiscoc Oct 22, 2026
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6 changes: 6 additions & 0 deletions solr/core/src/java/org/apache/solr/metrics/OtelRuntimeJvmMetrics.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,11 +24,13 @@
import io.opentelemetry.api.metrics.ObservableLongGauge;
import io.opentelemetry.api.trace.TracerProvider;
import io.opentelemetry.context.propagation.ContextPropagators;
import io.opentelemetry.instrumentation.api.config.IncludeExclude;
import io.opentelemetry.instrumentation.runtimetelemetry.RuntimeTelemetry;
import io.opentelemetry.instrumentation.runtimetelemetry.RuntimeTelemetryBuilder;
import io.opentelemetry.instrumentation.runtimetelemetry.internal.Experimental;
import java.lang.invoke.MethodHandles;
import java.lang.management.ManagementFactory;
import java.util.List;
import org.apache.lucene.util.SuppressForbidden;
import org.apache.solr.common.util.EnvUtils;
import org.apache.solr.metrics.otel.OtelUnit;
Expand Down Expand Up @@ -84,6 +86,10 @@ public ContextPropagators getPropagators() {
// solr.metrics.jvm.* system property instead of hardcoding true/true here.
Experimental.setEmitExperimentalMetrics(builder, true);
Experimental.setEmitExperimentalJfrMetrics(builder, true);
// Get CPU utilization from JFR instead of JMX to work around JDK bugs
Experimental.setJfrMetrics(
builder,
IncludeExclude.builder().setIncluded(List.of("jvm.system.cpu.utilization")).build());
this.runtimeMetrics = builder.build();
java.lang.management.OperatingSystemMXBean osMxBean =
ManagementFactory.getOperatingSystemMXBean();
Expand Down
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