Cloudflare opens Quicksilver to customers as Workers KV Instant

Cloudflare has made its internal Quicksilver config store available to customers as a new Workers KV mode called KV Instant. Reads resolve in 1.62 ms at p99 versus 287 ms for classic KV, but each namespace is capped at 10,000 keys and 1 MB.

• Instant reads hit 1.62 ms at p99 versus 287 ms for classic KV
• Namespace capped at 10,000 key-value pairs, 1 MB, keys up to 300 bytes
• One write per namespace per second; metadata is unsupported
• Reads cost 60% less; a write costs $0.10 versus $5 per million