cmccabe commented on code in PR #18148: URL: https://github.com/apache/kafka/pull/18148#discussion_r1911567192
########## metadata/src/main/java/org/apache/kafka/controller/BrokersToElrs.java: ########## @@ -158,4 +158,9 @@ BrokersToIsrs.PartitionsOnReplicaIterator partitionsWithBrokerInElr(int brokerId } return new BrokersToIsrs.PartitionsOnReplicaIterator(topicMap, false); } + + @SuppressWarnings("unchecked") + BrokersToIsrs.PartitionsOnReplicaIterator partitionsWithElr() { + return new BrokersToIsrs.PartitionsOnReplicaIterator(elrMembers.values().stream().map(m -> (Map<Uuid, int[]>) m).iterator(), false); Review Comment: You cannot materialize all the partitions in the system like this. It will be disastrous for performance. If you need this, write a real iterator that materializes one element at a time. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org