[GitHub] [kafka] AndrewJSchofield commented on a diff in pull request #14111: KAFKA-9800: Exponential backoff for Kafka clients - KIP-580

[via GitHub]

AndrewJSchofield commented on code in PR #14111:
URL: https://github.com/apache/kafka/pull/14111#discussion_r1315868466


##########
clients/src/main/java/org/apache/kafka/clients/Metadata.java:
##########
@@ -408,11 +463,13 @@ private Optional<MetadataResponse.PartitionMetadata> 
updateLatestMetadata(
                 log.info("Resetting the last seen epoch of partition {} to {} 
since the associated topicId changed from {} to {}",
                         tp, newEpoch, oldTopicId, topicId);
                 lastSeenLeaderEpochs.put(tp, newEpoch);
+                this.equivalentResponseCount = 0;
                 return Optional.of(partitionMetadata);
             } else if (newEpoch >= currentEpoch) {
                 // If the received leader epoch is at least the same as the 
previous one, update the metadata
                 log.debug("Updating last seen epoch for partition {} from {} 
to epoch {} from new metadata", tp, currentEpoch, newEpoch);
                 lastSeenLeaderEpochs.put(tp, newEpoch);
+                this.equivalentResponseCount = 0;

Review Comment:
   Done



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