DL1231 commented on code in PR #20101:
URL: https://github.com/apache/kafka/pull/20101#discussion_r2184130330
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java:
##########
@@ -2692,7 +2690,27 @@ private boolean initializedAssignmentPending(ShareGroup
group) {
}
}
- return !initializedTps.equals(currentAssigned);
+ Set<String> subscribedTopicNames =
group.subscribedTopicNames().keySet();
+ for (Map.Entry<Uuid, InitMapValue> entry :
shareGroupStatePartitionMetadata.get(group.groupId()).initializedTopics().entrySet())
{
+ if (subscribedTopicNames.contains(entry.getValue().name())) {
+ // This topic is currently subscribed, so investigate further.
+ Set<Integer> currentAssignedPartitions =
currentAssigned.get(entry.getKey());
+ if (currentAssignedPartitions != null) {
+ if
(currentAssignedPartitions.equals(entry.getValue().partitions())) {
+ // The assigned and initialized partitions match, so
assignment does not need to be recomputed.
+ continue;
+ } else {
+ // The assigned and initialized partitions do not
match, so recompute the assignment.
+ return true;
+ }
Review Comment:
What do you think of the implementation below?
```suggestion
if
(!currentAssignedPartitions.equals(entry.getValue().partitions())) {
// The assigned and initialized partitions do not
match, so recompute the assignment.
return true;
}
```
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java:
##########
@@ -2692,7 +2690,27 @@ private boolean initializedAssignmentPending(ShareGroup
group) {
}
}
- return !initializedTps.equals(currentAssigned);
+ Set<String> subscribedTopicNames =
group.subscribedTopicNames().keySet();
Review Comment:
Should we add integration tests for this scenario?
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