yuecong commented on issue #26060: [SPARK-29400][CORE] Improve PrometheusResource to use labels URL: https://github.com/apache/spark/pull/26060#issuecomment-539810831 Do the metrics for the Spark application disappear after the application finished? I guess the answer is No. If driver keeps all the metrics for all the spark applications running using the driver, will this not cause a high memory usage for the driver? Do you have some tests on this?
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