echauchot commented on code in PR #22985:
URL: https://github.com/apache/flink/pull/22985#discussion_r1321300535
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flink-core/src/main/java/org/apache/flink/configuration/JobManagerOptions.java:
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@@ -488,6 +488,23 @@ public enum SchedulerType {
code(SchedulerExecutionMode.REACTIVE.name()))
.build());
+ @Documentation.Section(Documentation.Sections.EXPERT_SCHEDULING)
+ public static final ConfigOption<Duration> SCHEDULER_SCALING_INTERVAL_MIN =
+ key("jobmanager.adaptive-scheduler.scaling-interval.min")
+ .durationType()
+ .defaultValue(Duration.ofSeconds(30))
+ // rescaling and let the user increase the value for high
workloads
+ .withDescription(
+ "Determines the minimum time (in seconds) between
scaling operations in reactive mode.");
Review Comment:
1. if the parameter value is passed by CLI as a String, will the duration be
parsed correctly with the correct timeUnit?
2. yes but new resources addition call that triggers the rescale (and the
cooldown period) only happens in reactive mode.
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