anmolanmol1234 commented on code in PR #8056:
URL: https://github.com/apache/hadoop/pull/8056#discussion_r2545888622
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsCountersImpl.java:
##########
@@ -267,6 +298,22 @@ public AbfsReadFooterMetrics getAbfsReadFooterMetrics() {
return abfsReadFooterMetrics != null ? abfsReadFooterMetrics : null;
}
+ /**
+ * Returns the write thread pool metrics instance, or {@code null} if
uninitialized.
+ */
+ @Override
+ public AbfsWriteThreadPoolMetrics getAbfsWriteThreadPoolMetrics() {
+ return abfsWriteThreadPoolMetrics != null ? abfsWriteThreadPoolMetrics :
null;
Review Comment:
taken
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/WriteThreadPoolSizeManager.java:
##########
@@ -255,19 +289,43 @@ private double getCpuUtilization() {
OperatingSystemMXBean osBean = ManagementFactory.getPlatformMXBean(
OperatingSystemMXBean.class);
double cpuLoad = osBean.getSystemCpuLoad();
- if (cpuLoad < 0) {
+ if (cpuLoad < ZERO) {
LOG.warn("System CPU load value unavailable (returned -1.0). Defaulting
to 0.0.");
- return 0.0;
+ return ZERO_D;
}
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:
removed this piece of code
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