Matthias J. Sax created KAFKA-8531:
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Summary: Change default replication factor config
Key: KAFKA-8531
URL: https://issues.apache.org/jira/browse/KAFKA-8531
Project: Kafka
Issue Type: Improvement
Components: streams
Affects Versions: 2.3.0
Reporter: Matthias J. Sax
Fix For: 2.4.0
With KAFKA-8305, AdminClient allows to create topics based on the broker
default replication factor.
Kafka Streams sets `replication.factor` to 1 by default atm, to give a good
out-of-the-box user experience. The problem is, that people may need to change
the config if they push an application to production.
We should change the default to `-1` to exploit the new AdminClient feature.
This won't impact the out-of-the-box experience and may avoids the need to
change the setting when pushing an application to production.
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