kirktrue commented on code in PR #17022:
URL: https://github.com/apache/kafka/pull/17022#discussion_r2051330115
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clients/src/main/java/org/apache/kafka/clients/producer/internals/TransactionManager.java:
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@@ -772,6 +779,14 @@ synchronized void handleFailedBatch(ProducerBatch batch,
RuntimeException except
}
}
+ /**
+ * Returns {@code true} if the given {@link ProducerBatch} has the same
producer ID but a different epoch than the
+ * {@link #producerIdAndEpoch cached producer ID and epoch}.
+ */
+ synchronized boolean isStaleBatch(ProducerBatch batch) {
Review Comment:
> Does this method need to by `synchronized`?
No, not at present.
> Also seems it could be `private`?
Yes, it could. I might even just inline it in `handleFailedBatch()` to
simplify things.
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