AndrewJSchofield commented on code in PR #19295:
URL: https://github.com/apache/kafka/pull/19295#discussion_r2016245476
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clients/src/main/java/org/apache/kafka/clients/consumer/internals/ShareConsumerImpl.java:
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@@ -644,8 +645,12 @@ private ShareFetch<K, V> collect(Map<TopicIdPartition,
NodeAcknowledgements> ack
if (currentFetch.isEmpty()) {
final ShareFetch<K, V> fetch = fetchCollector.collect(fetchBuffer);
if (fetch.isEmpty()) {
+ // Check for any acknowledgements which could have come from
control records (GAP) and include them.
+ Map<TopicIdPartition, NodeAcknowledgements>
combinedAcknowledgements = new LinkedHashMap<>(acknowledgementsMap);
+
combinedAcknowledgements.putAll(fetch.takeAcknowledgedRecords());
+
// Fetch more records and send any waiting acknowledgements
- applicationEventHandler.add(new
ShareFetchEvent(acknowledgementsMap));
+ applicationEventHandler.add(new
ShareFetchEvent(combinedAcknowledgements));
Review Comment:
This is clearly not quite right yet. I want to see the log dump for the
situation which causes this and understand the batching.
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