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_r349723224
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File path: core/src/main/scala/org/apache/spark/executor/Executor.scala
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@@ -113,10 +113,21 @@ private[spark] class Executor(
// create. The map key is a task id.
private val taskReaperForTask: HashMap[Long, TaskReaper] = HashMap[Long,
TaskReaper]()
+ val executorMetricsSource =
+ if (conf.get(METRICS_EXECUTORMETRICS_SOURCE_ENABLED)) {
+ new ExecutorMetricsSource
+ } else {
+ null
Review comment:
same here on using an Option
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