Github user maropu commented on a diff in the pull request:
https://github.com/apache/spark/pull/22218#discussion_r212784518
--- Diff:
core/src/main/scala/org/apache/spark/executor/ExecutorSource.scala ---
@@ -73,6 +75,13 @@ class ExecutorSource(threadPool: ThreadPoolExecutor,
executorId: String) extends
registerFileSystemStat(scheme, "write_ops", _.getWriteOps(), 0)
}
+ // Dropwizard metrics gauge measuring the executor's process (JVM) CPU
time.
+ // The value is returned in nanoseconds, the method return -1 if this
operation is not supported.
+ val osMXBean =
ManagementFactory.getOperatingSystemMXBean.asInstanceOf[OperatingSystemMXBean]
+ metricRegistry.register(MetricRegistry.name("executorCPUTime" ), new
Gauge[Long] {
+ override def getValue: Long = osMXBean.getProcessCpuTime()
--- End diff --
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