3schwartz commented on a change in pull request #11340: URL: https://github.com/apache/kafka/pull/11340#discussion_r716144435
########## File path: clients/src/main/java/org/apache/kafka/clients/consumer/internals/ConsumerCoordinator.java ########## @@ -1069,6 +1065,37 @@ private void maybeAutoCommitOffsetsSync(Timer timer) { } } + private void cleanUpConsumedOffsets(Map<TopicPartition, OffsetAndMetadata> willCommitOffsets) { + + if (willCommitOffsets.isEmpty()) + return; + + Set<String> validTopics = metadata.fetch().topics(); + Set<TopicPartition> toGiveUpTopicPartitions = new HashSet<>(); + + Iterator<Map.Entry<TopicPartition, OffsetAndMetadata>> iterator = willCommitOffsets.entrySet().iterator(); + + while (iterator.hasNext()) { + + Map.Entry<TopicPartition, OffsetAndMetadata> entry = iterator.next(); + + if (!validTopics.contains(entry.getKey().topic())) { + + toGiveUpTopicPartitions.add(entry.getKey()); + iterator.remove(); + } + + } + + if (toGiveUpTopicPartitions.size() > 0) { + + //Because toGiveUpTopicPartitions may receive `UnknownTopicOrPartitionException` when submitting their offsets. + //We are prepared to abandon them. The worst effect is that these partitions may repeatedly consume some messages + log.warn("Synchronous auto-commit of offsets {} will be abandoned", toGiveUpTopicPartitions); Review comment: My comment was related to the test - it sounds like you are given up offsets but it is partitions - hence I would add the partition word in the sentence -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org