dajac commented on a change in pull request #9547: URL: https://github.com/apache/kafka/pull/9547#discussion_r526207135
########## File path: clients/src/main/java/org/apache/kafka/clients/consumer/internals/OffsetsForLeaderEpochClient.java ########## @@ -61,67 +77,76 @@ protected OffsetForEpochResult handleResponse( Map<TopicPartition, SubscriptionState.FetchPosition> requestData, OffsetsForLeaderEpochResponse response) { + Set<TopicPartition> missingPartitions = new HashSet<>(requestData.keySet()); Review comment: The downside of relying on `partitionsToRetry` is that we can't differentiate the partitions to be retried due to an error from the missing partitions in the response. It may not be that important but we can't preserve the above log otherwise. ``` logger().warn("Missing partition {} from response, retrying.", topicPartition); ``` ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org