dajac commented on code in PR #15364:
URL: https://github.com/apache/kafka/pull/15364#discussion_r1492554402
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group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java:
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@@ -1211,13 +1192,99 @@ private
CoordinatorResult<ConsumerGroupHeartbeatResponseData, Record> consumerGr
// 1. The member reported its owned partitions;
// 2. The member just joined or rejoined to group (epoch equals to
zero);
// 3. The member's assignment has been updated.
- if (ownedTopicPartitions != null || memberEpoch == 0 ||
assignmentUpdated) {
+ if (ownedTopicPartitions != null || memberEpoch == 0 ||
hasAssignedPartitionsChanged(member, updatedMember)) {
Review Comment:
My understanding is that `equals` starts by verifying the reference. Hence,
we really compare the two maps if the assignment of the new member has been
updated. This should not be an issue.
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