jiangxb1987 commented on issue #27692: [SPARK-30945][CORE] Preserve JVM information when executor heartbeat … URL: https://github.com/apache/spark/pull/27692#issuecomment-591683870 I don't think we should introduce GC monitor into the Executor for any production workload, it would cost too much that we are not able to afford it. However it would actually be a good idea to log the heap dump when a task has been hanging for a while. It's just still difficult to define what's a hanging task.
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