afedulov commented on a change in pull request #15054:
URL: https://github.com/apache/flink/pull/15054#discussion_r601421614
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File path:
flink-core/src/main/java/org/apache/flink/configuration/WebOptions.java
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@@ -156,6 +156,48 @@
.withDeprecatedKeys("jobmanager.web.backpressure.delay-between-samples")
.withDescription("This config option is no longer used");
+ /** Time, in milliseconds, after which cached stats are cleaned up if not
accessed. */
Review comment:
I understand the intent, but I think it might add some potential for
confusion with respect to how the sampling is performed. Mainly because window
semantics in Flink is based on time, whereas here it is about gathering a
certain number of data points. Not sure it is fits.
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