playbook/antigravity-awesome-skills/skills/vercel-optimize/references/support-topics/database-egress-pooling-reg...

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Markdown

---
id: database-egress-pooling-region
title: Database region and connection pressure
status: active
candidateKinds: ["slow_route"]
frameworks: ["*"]
priority: 60
citations: ["https://vercel.com/docs/regions", "https://vercel.com/docs/functions", "https://vercel.com/docs/functions/functions-api-reference/vercel-functions-package", "https://vercel.com/docs/functions/limitations"]
maxBriefChars: 800
---
## Investigation Brief
Only recommend database or region changes when source and metrics both point to downstream I/O rather than in-process compute.
## Evidence To Check
Compare `cpu.p95` with `latency.p95`, then inspect database awaits, query fan-out, connection creation, pool lifecycle handling, and configured regions in project files.
## Do Not Recommend When
Do not name a database provider, pooling product, or region change unless the repo and project config prove it applies.
## Verification
Tie the finding to the observed wall-clock gap and the exact query, pool, or region configuration line.