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How Xata and Vercel Achieve Zero-Downtime Postgres Migrations

How Xata and Vercel Achieve Zero-Downtime Postgres Migrations

Database schema changes traditionally risk production downtime and deployment headaches. Xata's pgroll-powered platform combined with Vercel's preview deployments enables instant Postgres branches and multi-version schemas, revolutionizing how teams handle migrations in CI/CD pipelines. This approach eliminates locking conflicts and simplifies the expand-contract pattern.
How Vercel Reinvented Serverless with Fluid Compute: Breaking Lambda's Bottlenecks to Slash Costs by 95%

How Vercel Reinvented Serverless with Fluid Compute: Breaking Lambda's Bottlenecks to Slash Costs by 95%

Vercel's Fluid compute shatters AWS Lambda's one-request-per-instance model through a custom TCP transport layer and request multiplexing, enabling streaming responses and dramatic cost reductions. By intelligently routing traffic and introducing Active CPU pricing, they've transformed serverless economics for I/O-bound workloads like AI. This deep dive reveals the 2-year engineering journey behind architecture handling 45B weekly requests.