chia7712 commented on code in PR #19964:
URL: https://github.com/apache/kafka/pull/19964#discussion_r2152687163
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clients/src/main/java/org/apache/kafka/clients/producer/internals/Sender.java:
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@@ -855,7 +860,7 @@ private void sendProduceRequest(long now, int destination,
short acks, int timeo
if (batches.isEmpty())
return;
- final Map<TopicPartition, ProducerBatch> recordsByPartition = new
HashMap<>(batches.size());
+ final Map<TopicIdPartition, ProducerBatch> recordsByPartition = new
HashMap<>(batches.size());
Map<String, Uuid> topicIds = topicIdsForBatches(batches);
Review Comment:
> We always fall back on topic name if topic id not passed down
IIRC, the topic name is ignored in RPC when the version is larger than 13.
So, is it possible that the broker receives the produce request without both
the topic name and id?
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