mjsax commented on code in PR #18800:
URL: https://github.com/apache/kafka/pull/18800#discussion_r2162788483
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streams/src/main/java/org/apache/kafka/streams/kstream/internals/KStreamImpl.java:
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@@ -1307,6 +1295,7 @@ public <KOut, VOut> KStream<KOut, VOut> process(
name,
new ProcessorParameters<>(processorSupplier, name),
stateStoreNames);
+ processNode.requireRepartitionAlways();
Review Comment:
Why "always"? A `process()` step is key-changing operation, so
repartitioning might be required downstream, but only if a key-dependent
operator like groupByKey() or join() follows.
So should we just call `processNode.setKeyChangingOperation(true)` instead?
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