appchemist commented on code in PR #18800:
URL: https://github.com/apache/kafka/pull/18800#discussion_r1941275162
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streams/src/main/java/org/apache/kafka/streams/kstream/internals/KStreamImpl.java:
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@@ -1250,6 +1237,7 @@ public <KOut, VOut> KStream<KOut, VOut> process(
name,
new ProcessorParameters<>(processorSupplier, name),
stateStoreNames);
+ processNode.keyChangingOperation(true);
Review Comment:
@mjsax
This is the part where the values for `GraphNode.keyChangingOperation` and
`KStreamImpl.repartitionRequired` differ.
If we can't set the `GraphNode.keyChangingOperation` value to true,
I think we might need to either use `KStreamImpl.repartitionRequired` as is
or manage it as a separate value in `GraphNode`.
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