Matthias J. Sax created KAFKA-4731:
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Summary: Add event-based session windows
Key: KAFKA-4731
URL: https://issues.apache.org/jira/browse/KAFKA-4731
Project: Kafka
Issue Type: New Feature
Components: streams
Reporter: Matthias J. Sax
Priority: Minor
Kafka Streams allows to define session windows based on an time-based
inactivity gap. This can be used for _session detection_.
However, some data streams do contain event like "start session" and "end
session" to mark the begin and end of a session. For this use case, it is not
required to _detect_ session because session boundaries are known and not based
on time -- but on events.
This Jira is about adding support for those event-based session windows. To add
this feature, a KIP
(https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals)
is required to discuss the proposed design.
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