rezasafi 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_r270608997
 
 

 ##########
 File path: core/src/main/scala/org/apache/spark/executor/Executor.scala
 ##########
 @@ -191,9 +191,20 @@ private[spark] class Executor(
    */
   private val HEARTBEAT_INTERVAL_MS = conf.get(EXECUTOR_HEARTBEAT_INTERVAL)
 
+  /**
+   * Interval to poll for executor metrics, in milliseconds
+   */
+  private val METRICS_POLLING_INTERVAL_MS = 
conf.get(EXECUTOR_METRICS_POLLING_INTERVAL)
 
 Review comment:
   Up to to you. There can be any more changes here, since there could be other 
people that want to comment here.

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