Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/20940#discussion_r179803848
--- Diff: core/src/main/scala/org/apache/spark/executor/Executor.scala ---
@@ -772,6 +772,12 @@ private[spark] class Executor(
val accumUpdates = new ArrayBuffer[(Long, Seq[AccumulatorV2[_, _]])]()
val curGCTime = computeTotalGcTime()
+ // get executor level memory metrics
+ val executorUpdates = new ExecutorMetrics(System.currentTimeMillis(),
+ ManagementFactory.getMemoryMXBean.getHeapMemoryUsage().getUsed(),
--- End diff --
What about including the jvms direct & memory mapped usage as well? see
https://issues.apache.org/jira/browse/SPARK-22483
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