AI BriefingVercel Improves Sandbox Domain Routing Speed by 18x
Key point
Vercel reduced Sandbox domain lookup latency from 62ms to 3.4ms, an 18x improvement.
Details
Vercel has significantly improved the routing performance of Sandbox public domains. Previously, domains were resolved from a centralized repository; now, domains created with the sandbox.domain() SDK are resolved from the nearest regional replica. This has greatly reduced request latency to the sandbox process.
Performance Improvement Metrics
- Median latency: Decreased from 62ms to 3.4ms, resulting in an overall 18x speedup.
- Remote region improvements: The greatest improvements are seen in regions far from the previous repository. Lookup speeds improved by up to 112x in Sydney (syd1) and up to 146x in Cape Town (cpt1) (based on p99).
Scope and Cost
This improvement is automatically applied to all sandbox domain requests. No configuration changes or price increases are required.
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