dongjoon-hyun commented on code in PR #41709:
URL: https://github.com/apache/spark/pull/41709#discussion_r1241334744
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core/src/main/scala/org/apache/spark/util/Utils.scala:
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@@ -2287,6 +2287,22 @@ private[spark] object Utils extends Logging with
SparkClassUtils {
}.map(threadInfoToThreadStackTrace)
}
+ /** Return a heap dump. Used to capture dumps for the web UI */
+ def getHeapHistogram(): Array[String] = {
+ val pid = String.valueOf(ProcessHandle.current().pid())
+ val builder = new ProcessBuilder("jmap", "-histo:live", pid)
Review Comment:
Got it. Let me take a look at that perspective, @mridulm and @pan3793 .
In the worst case, I'll limit this feature to K8s only environment because
this was initially developed for K8s environment first.
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