Github user joefk commented on the issue: https://github.com/apache/incubator-pulsar/issues/523 If there needs to be a hard limit (for 100% assurance), the application can enforce that itself without any changes in the system (Pulsar). My perspective is from what I think as the origin of this ask: If there is a system(Pulsar) limit, and if the system can honor a "violating" request by optimizing the request, it should. Agreed that sometimes the system will not always succeed in this, but it should try. That could reduce user impact by reducing the number of violations, and some use-cases might prefer that.
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