I’m so happy to see that someone has finally built such thing. I’ve been asking for tiered storage in Kafka since 2016 (https://gruchalski.com/posts/2016-05-08-the-case-for-kafka-c...) but this approach is so much better.

Kafka itself could solve this with tiered storage OR, at least, allowing adding volumes at runtime. But neither is possible.

Very cool, have to find some time to take this for a test drive.