dongjoon-hyun edited a comment on issue #26060: [SPARK-29400][CORE] Improve PrometheusResource to use labels URL: https://github.com/apache/spark/pull/26060#issuecomment-539811514 This PR doesn't collect new metrics, only exposing the existing one. So, the following is not about this PR. > If driver keeps all the metrics for all the spark applications running using the driver, Second, from `Prometheus` side, you can use `Prometheus` TTL feature, @yuecong . Have you try that?
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