wypoon commented on a change in pull request #23767: [SPARK-26329][CORE] Faster
polling of executor memory metrics.
URL: https://github.com/apache/spark/pull/23767#discussion_r268799208
##########
File path: core/src/main/scala/org/apache/spark/executor/ExecutorMetrics.scala
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@@ -46,14 +49,21 @@ class ExecutorMetrics private[spark] extends Serializable {
Array.copy(metrics, 0, this.metrics, 0, Math.min(metrics.size,
this.metrics.size))
}
+ private[spark] def this(metrics: AtomicLongArray) {
+ this()
+ ExecutorMetricType.metricToOffset.foreach { case (_, i) =>
+ this.metrics(i) = metrics.get(i)
+ }
+ }
+
/**
* Constructor: create the ExecutorMetrics with using a given map.
Review comment:
Sure.
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