This is fair question. A stream here == a log. Every write with S2 implementations is durable before it is acknowledged, and it can be consumed in real-time or replayed from any position by multiple readers. The stream is at the granularity of discrete records, rather than a byte stream (although you can certainly layer either over the other).
ED: no k8s required for s2-lite, it is just a singe binary. It was an architectural note about our cloud service.
ED: no k8s required for s2-lite, it is just a singe binary. It was an architectural note about our cloud service.