kiszk commented on a change in pull request #22874: [SPARK-25865][CORE] Add GC
information to ExecutorMetrics
URL: https://github.com/apache/spark/pull/22874#discussion_r243014281
##########
File path:
core/src/main/scala/org/apache/spark/metrics/ExecutorMetricType.scala
##########
@@ -99,6 +100,61 @@ case object ProcessTreeMetrics extends ExecutorMetricType {
}
}
+case object GarbageCollectionMetrics extends ExecutorMetricType {
+ import GC_TYPE._
+ override val names = Seq(
+ "MinorGCCount",
+ "MinorGCTime",
+ "MajorGCCount",
+ "MajorGCTime"
+ )
+ override private[spark] def getMetricValues(memoryManager: MemoryManager):
Array[Long] = {
+ var allMetrics = GCMetrics(0, 0, 0, 0)
+ ManagementFactory.getGarbageCollectorMXBeans.asScala.foreach { mxBean =>
+ val metrics = mxBean.getName match {
+ case `copy` | `psScavenge` | `parNew` | `g1Young` =>
Review comment:
I am afraid that here is too version specific and implementation specfic.
For example, how can we support OpenJDK 11 or OpenJ9?
Is there any way that it makes more configurable?
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