Lei Chen created KAFKA-7325:
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             Summary: Support dynamic gap session window
                 Key: KAFKA-7325
                 URL: https://issues.apache.org/jira/browse/KAFKA-7325
             Project: Kafka
          Issue Type: Improvement
          Components: streams
            Reporter: Lei Chen


Currently, Kafka Streams DSL only supports fixed-gap session window. However, 
in some circumstances, the gap is more dynamic and can vary depending on other 
factors: the statistical aggregation result, liquidity of the records, etc. In 
such cases, allowing the user to define a dynamic-gap session is important. 
[KIP-362|https://cwiki.apache.org/confluence/display/KAFKA/KIP-362%3A+Support+dynamic+gap+session+window]
 is created to address this.



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