murong00 edited a comment on issue #6394: Expect an option to disable auto creation of subscriptions URL: https://github.com/apache/pulsar/issues/6394#issuecomment-591981269 @sijie @codelipenghui The above proposal may not work for `Reader` due to `ReaderBuilderImpl` (i.e. `PulsarClientImpl.doCreateReaderAsync` which calls `ReaderImpl`) does not support to pass `subscription`, its implementation is hard-coded currently. https://github.com/apache/pulsar/blob/760bd1abfa5374bde85e4d938937a0410dfb2674/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ReaderImpl.java#L37-L43 In addition, the current pulsar admin rest endpoints only support to create a `Durable` subscription which can not apply to `Reader`(or `Consumer` with a `NonDurable` subscription) whose subscription is `NonDurable`. https://github.com/apache/pulsar/blob/75a321dfbe23cbd979fa225ef4a3d2fc4201994b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java#L741-L744 Should we skip the `NonDurable` subscriptions when checking to see if a subscription exists? Or maybe we can create it when it is `NonDurable`?
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