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_r353991828
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File path:
core/src/main/scala/org/apache/spark/executor/ExecutorMetricsPoller.scala
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@@ -81,8 +81,10 @@ private[spark] class ExecutorMetricsPoller(
// get the latest values for the metrics
val latestMetrics = ExecutorMetrics.getCurrentMetrics(memoryManager)
- if (executorMetricsSource != null) {
- executorMetricsSource.updateMetricsSnapshot(latestMetrics)
+ executorMetricsSource match {
+ case Some(executorMetricsSource: ExecutorMetricsSource) =>
+ executorMetricsSource.updateMetricsSnapshot(latestMetrics)
+ case None => None
Review comment:
same
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