> Creating a topic will first check whether the topic already exists. > The verification will read all topics under the namespace, and then > traverse these topics to see if the topic already exists. > When there are a large number of topics under the namespace(about 300,000 > topics), > less than 10 topics can be created in one second. Why do we need to read all topics at all? We really just need to check whether TOPIC or TOPIC-partition-0 exist.
Even if they do not exist, is there anything to stop one client creating TOPIC and another creating TOPIC-partition-0? -Ivan
