TC-oKozlov edited a comment on issue #5284: Persistent topic is always temporarily unavailable URL: https://github.com/apache/pulsar/issues/5284#issuecomment-557736342 We are getting a similar issue from our custom client code when running a load test from 10 concurrent producer processes. In our setup we create a new producer before sending each message, send message, and close producer. We start getting "topic temporarily unavailable" after about 8000 producers / messages were created. This is runs through Pulsar Proxy ->Broker deployed on kubernetes. It seems like Pulsar starts having an issue when too many producers are created over a short period of time. With our load test we are able to reproduce it pretty consistently: Re reproducing: 1) start several processes in parallel (in our case 10) 2) for each process: create producer send message, close producer We started 100k messages per process (1mil total), but started getting this error only after about 8 msgs were sent.
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