squito commented on a change in pull request #24132: [SPARK-27189][CORE] Add
Executor metrics and memory usage instrumentation to the metrics system
URL: https://github.com/apache/spark/pull/24132#discussion_r353990660
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File path: core/src/main/scala/org/apache/spark/SparkContext.scala
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@@ -2484,9 +2485,14 @@ class SparkContext(config: SparkConf) extends Logging {
}
/** Reports heartbeat metrics for the driver. */
- private def reportHeartBeat(executorMetricsSource: ExecutorMetricsSource):
Unit = {
+ private def reportHeartBeat(executorMetricsSource:
Option[ExecutorMetricsSource]): Unit = {
val currentMetrics = ExecutorMetrics.getCurrentMetrics(env.memoryManager)
- executorMetricsSource.updateMetricsSnapshot(currentMetrics)
+
+ executorMetricsSource match {
+ case Some(executorMetricsSource: ExecutorMetricsSource) =>
+ executorMetricsSource.updateMetricsSnapshot(currentMetrics)
+ case None => None
+ }
Review comment:
same here on using `option.foreach`
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