[jira] [Created] (FLINK-33187) Don't send duplicate event to Kafka if no change

[Clara Xiong (Jira)]

Clara Xiong created FLINK-33187:
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             Summary: Don't send duplicate event to Kafka if no change
                 Key: FLINK-33187
                 URL: https://issues.apache.org/jira/browse/FLINK-33187
             Project: Flink
          Issue Type: Improvement
          Components: Autoscaler
    Affects Versions: 1.17.1
            Reporter: Clara Xiong


Problem:
Some events are sent to Kafka repeatedly such as ScalingReport when autoscaling 
is not enable,  which consists 99% of all Kafka events in our prod env. This 
wastes Kafka resources and cause performance  downstream.

Proposal:
Suppress duplicate event within an interval defined by a new operator dynamic 
config "suppress-event.interval" in second, defaulted to 30 min.



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