Sounds reasonable to me, although I never used it :)
On Thu, Apr 20, 2023 at 11:58 AM Nicolò Boschi <boschi1...@gmail.com> wrote: > Hello community, > > I'd like to discuss the current behaviour for the auto creation of non > persistent topics. > Currently, the broker flag "allowAutoTopicCreation" (can be overridden at > namespace/topic policy level) controls > if persistent and non-persistent topics can be created implicitly. > > I believe that flag should only control persistent topics auto creation. > Non persistent topics are meant to be volatile. If a producer is connected > to a broker and the broker goes down, then the producer has to recreate the > topic when the broker eventually comes up again. > > There are cases when the administrator wants to disable auto topic creation > for persistent topics and let non-persistent topics work as expected. > Currently the only workaround is to enable auto creation. > > My proposal is to let the option "enableNonPersistentTopics" to be > responsible for auto creation of non persistent topics, as if it's a > requirement for non persistent topics to work properly. > This would target Pulsar 3.1.0 and it will require a PIP > > There's already a pretty old issue that might need to be renamed - > https://github.com/apache/pulsar/issues/5631 > > Another slightly related point - which could be addressed in another moment > - is that non persistent topics are not configurable at namespace/topic > level. > > > Please let me know what you think > > Thanks, > Nicolò Boschi >
