Cloudflare launches K2 event streaming on R2 object storage

Cloudflare opened public beta of K2, a serverless event streaming service built on R2 object storage. Produce latency is about one second at p99, pricing is $0.04 per GB produced and consumed, with retention at $0.02 per GB per month.

• Produce latency around 1 second at p99, end-to-end delivery slower
• Pricing: $0.04/GB produced and consumed, $0.02/GB/month retention
• Beta limits: 10GB storage and 30 MB/s produce per stream
• Kafka API compatibility is on the roadmap