manika137 commented on code in PR #8056:
URL: https://github.com/apache/hadoop/pull/8056#discussion_r2540434237
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hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/ReadBufferManagerV2.java:
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@@ -1021,6 +1070,30 @@ public double getCpuLoad() {
return cpuLoad;
}
+ /**
+ * Returns the CPU utilization of the JVM process as a percentage (0–100).
+ */
+ public static double getJvmCpuUtilization() {
+ OperatingSystemMXBean osBean =
+ (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
+ long cpuTime = osBean.getProcessCpuTime();
+ long now = System.nanoTime();
+ if (lastTime == ZERO) {
+ lastCpuTime = cpuTime;
+ lastTime = now;
+ return 0.0; // first call has no previous data
Review Comment:
nit: we can use ZERO_D
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