Yes, you can tag messages with a 'key' for compaction (maintaining the latest message for a given key) and there's now a beta feature for key-ordered consumers

Yes, you can tag messages with a 'key' for compaction (maintaining the latest message for a given key) and there's now a beta feature for key-ordered consumers on the same topic: https://pulsar.apache.org/docs/en/concepts-messaging/#key_shared https://pulsar.apache.org/docs/en/concepts-messaging/#key_sh... You can also just use separate topics since they're very lightweight and can be nested under the tenant/namespace hierarchy.