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From "Matthias J. Sax (Jira)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-9126) Extend `StreamJoined` to allow more store configs
Date Thu, 31 Oct 2019 17:39:00 GMT
Matthias J. Sax created KAFKA-9126:
--------------------------------------

             Summary: Extend `StreamJoined` to allow more store configs
                 Key: KAFKA-9126
                 URL: https://issues.apache.org/jira/browse/KAFKA-9126
             Project: Kafka
          Issue Type: Improvement
          Components: streams
    Affects Versions: 2.4.0
            Reporter: Matthias J. Sax


In 2.4.0 release, we introduced `StreamJoined` configuration object via KIP-479 (KAFKA-8558).
The idea of `StreamJoined` is to be an equivalent to `Materialized` but customized for stream-stream
joines, that have two stores (in contrast to the usage of `Materialized` that is used for
single-store operators).

During the KIP discussion, the idea to allow setting the store retention time and enable/disable
changelogging for the store was discussed. However, at some point this idea was dropped not
unknown reasons (seems it slipped).

We should consider to extend `StreamJoined` with `withRetentionPeriod()` and `loggingEnabled()`/`loggingDisabled()`
methods to get feature parity to `Materialized`.



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