frankvicky commented on code in PR #17614:
URL: https://github.com/apache/kafka/pull/17614#discussion_r2029841125
##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/ConsumerMembershipManager.java:
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@@ -469,8 +493,17 @@ public int joinGroupEpoch() {
*/
@Override
public int leaveGroupEpoch() {
- return groupInstanceId.isPresent() ?
- ConsumerGroupHeartbeatRequest.LEAVE_GROUP_STATIC_MEMBER_EPOCH :
- ConsumerGroupHeartbeatRequest.LEAVE_GROUP_MEMBER_EPOCH;
+ boolean isStaticMember = groupInstanceId.isPresent();
+ if (REMAIN_IN_GROUP == leaveGroupOperation && isStaticMember) {
Review Comment:
Yes, I should clean this method up after
https://github.com/apache/kafka/pull/17614#discussion_r1986090241
Now, the matrix of membership and epoch is :
| | REMAIN | LEAVE | DEFAULT |
| ------- | ---------- | ----- | ------- |
| dynamic | Don't send | -1 | -1 |
| static | -2 | -1 | -2 |
Given that, we could remove `if (REMAIN_IN_GROUP == leaveGroupOperation &&
isStaticMember)` condition.
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