Github user sohami commented on a diff in the pull request: https://github.com/apache/drill/pull/1203#discussion_r181161557 --- Diff: common/src/main/java/org/apache/drill/exec/metrics/DrillMetrics.java --- @@ -60,6 +61,7 @@ private static void registerSystemMetrics() { REGISTRY.registerAll(new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer())); REGISTRY.registerAll(new MemoryUsageGaugeSet()); REGISTRY.registerAll(new ThreadStatesGaugeSet()); + REGISTRY.registerAll(new CpuGaugeSet(ManagementFactory.getOperatingSystemMXBean())); --- End diff -- please replace `registerAll` with `register`. See comment above in `CpuGaugeSet`
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