wypoon commented on a change in pull request #23767: [SPARK-26329][CORE][WIP]
Faster polling of executor memory metrics.
URL: https://github.com/apache/spark/pull/23767#discussion_r262699939
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File path: core/src/main/scala/org/apache/spark/SparkContext.scala
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@@ -2380,10 +2381,14 @@ class SparkContext(config: SparkConf) extends Logging {
/** Reports heartbeat metrics for the driver. */
private def reportHeartBeat(): Unit = {
- val driverUpdates = _heartbeater.getCurrentMetrics()
Review comment:
I'd punt on more frequent polling in the driver for this change. Let's open
another JIRA for that if someone would like to take it up.
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