lizhimins commented on code in PR #7502: URL: https://github.com/apache/rocketmq/pull/7502#discussion_r1373993272
########## broker/src/main/java/org/apache/rocketmq/broker/processor/AdminBrokerProcessor.java: ########## @@ -440,6 +440,13 @@ private synchronized RemotingCommand updateAndCreateTopic(ChannelHandlerContext return response; } + if (topicConfig.equals(this.brokerController.getTopicConfigManager().getTopicConfigTable().get(topic))) { + LOGGER.info("Broker receive request to update or create topic={}, but topic exists, so idempotent, caller address={}", Review Comment: +1 -- 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: commits-unsubscr...@rocketmq.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org