[jira] [Created] (KAFKA-3511) Provide built-in aggregators sum() and avg() in Kafka Streams DSL

[Guozhang Wang (JIRA)]

Guozhang Wang created KAFKA-3511:
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             Summary: Provide built-in aggregators sum() and avg() in Kafka 
Streams DSL
                 Key: KAFKA-3511
                 URL: https://issues.apache.org/jira/browse/KAFKA-3511
             Project: Kafka
          Issue Type: Bug
          Components: kafka streams
            Reporter: Guozhang Wang
             Fix For: 0.10.0.0


Currently we only have one built-in aggregate function count() in the Kafka 
Streams DSL, but we want to add more aggregation functions like sum() and avg().



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