ableegoldman commented on a change in pull request #9027: URL: https://github.com/apache/kafka/pull/9027#discussion_r455253159
########## File path: streams/src/main/java/org/apache/kafka/streams/StreamsConfig.java ########## @@ -639,16 +643,16 @@ Serdes.ByteArraySerde.class.getName(), Importance.MEDIUM, DEFAULT_VALUE_SERDE_CLASS_DOC) - .define(NUM_STANDBY_REPLICAS_CONFIG, - Type.INT, - 0, + .define(DEFAULT_WINDOWED_KEY_SERDE_INNER_CLASS, + Type.CLASS, + null, Importance.MEDIUM, - NUM_STANDBY_REPLICAS_DOC) - .define(NUM_STREAM_THREADS_CONFIG, - Type.INT, - 1, + DEFAULT_WINDOWED_KEY_SERDE_INNER_CLASS_DOC) + .define(DEFAULT_WINDOWED_VALUE_SERDE_INNER_CLASS, + Type.CLASS, + null, Importance.MEDIUM, - NUM_STREAM_THREADS_DOC) + DEFAULT_WINDOWED_VALUE_SERDE_INNER_CLASS_DOC) Review comment: This is all newly added: we weren't defining these configs before at all, which means they had no default set, no description, were left out of the autogenerated docs, etc I checked the KIP and it didn't specify what the default should be, so I figured I could freely choose null (see [KAFKA-9559](https://issues.apache.org/jira/browse/KAFKA-9559)) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org