AutoMQ look so so promising. Very happy to see the shift to Apache 2.0 license a couple month ago!! I do think it sounds like the most obvious comparison to Ursa: object-storage based, focus on removing inter-zone traffic. They also have a neat new Table Topics, that's super helpful. https://www.automq.com/docs/automq/eliminate-inter-zone-traf...

There's an OK high level cruise, WarpStream is dead, long live AutoMQ riffing off WarpStream doing similar against Kafka. While I loosely got the idea, I had to dig a lot deeper in docs for things to start to really click. https://github.com/AutoMQ/automq/wiki/WarpStream-is-dead,-lo...

There may be reasons it's a bad fit, but I'm expecting object-storage database SlateDB someday makes a very fine streaming system too!! https://github.com/slatedb/slatedb