dajac commented on code in PR #17964:
URL: https://github.com/apache/kafka/pull/17964#discussion_r1861710406
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clients/src/main/java/org/apache/kafka/clients/consumer/internals/ConsumerMetadata.java:
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@@ -68,7 +68,7 @@ public boolean allowAutoTopicCreation() {
@Override
public synchronized MetadataRequest.Builder newMetadataRequestBuilder() {
- if (subscription.hasPatternSubscription())
+ if (subscription.hasPatternSubscription() ||
subscription.hasRe2JPatternSubscription())
Review Comment:
Why do we need to request all topics here? When a new regex is used, it is
not different from subscribing to topic names from the consumer perspective as
the consumer just receives some newly assigned topic id-partitions in both
cases.
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