v0
database
Prisma Database Connection Timeout
Your Prisma database queries timeout with 'Can't reach database server' or connection pool exhaustion errors. Application queries fail or hang indefinitely.
Connection timeouts happen when Prisma cannot establish a connection to the database within the configured time limit, typically due to network issues, database overload, or misconfigured connection parameters.
Error Messages You Might See
Can't reach database server at `localhost:5432`
Timeout acquiring a connection from the pool
Cannection timed out
Fatal error: remaining connection slots are reserved
Common Causes
- Database server down, unreachable, or not properly started
- CONNECTION_LIMIT too low for concurrent requests (default 10)
- Network firewall blocking database port access
- DATABASE_URL malformed or pointing to wrong database
- Too many open connections overwhelming the pool
How to Fix It
Verify database: Ensure your PostgreSQL or MySQL server is running. Test connection with psql -c "select 1".
Check DATABASE_URL: Format should be postgresql://user:password@host:port/database?schema=public. Test with any URL validator.
Increase pool size: In .env, add PRISMA_CONNECTION_LIMIT=20 for higher concurrency.
Add connection timeout: Set DATABASE_URL=...?connect_timeout=10 to extend timeout from default 5 seconds.
Real developers can help you.
Milan Surelia
Milan Surelia is a Mobile App Developer with 5+ years of experience crafting scalable, cross-platform apps at 7Span and Meticha. At 7Span, he engineers feature-rich Flutter apps with smooth performance and modern UI. As the Co-Founder of Meticha, he builds open-source tools and developer-focused products that solve real-world problems.
Expertise:
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Notable Achievements:
🎯 Revamped the Vepaar app into Vepaar Store & CRM with a 2x performance boost and smoother UX.
🚀 Launched Compose101 — a Jetpack Compose starter kit to speed up Android development.
🌟 Open source contributions on Github & StackOverflow for Flutter & Dart
🎖️ Worked on improving app performance and user experience with smart solutions.
Milan is always happy to connect, work on new ideas, and explore the latest in technology.
AUXLE
I am a Full Stack Developer experienced in building Websites, Web apps and Cross Platform Mobile Apps for Startups and Companies.
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Been around fixing other peoples code for 20 years.
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Senior PHP/Symfony developer and DevOps engineer with 20+ years of professional experience, running opcode.pl (web development agency, est. 2004).
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Full-stack developer specializing in React / Next.js / Node.js with 6+ years of experience. I've worked across various sectors including automotive (Reezocar/Société Générale), healthcare (Medical Link SaaS), and e-commerce (Glasman). I build web apps end-to-end, from architecture to production, with a focus on scalability, performance, and code quality. I also mentor junior developers and contribute to technical decisions and code reviews.
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- Founder of Chessigma (1M+ users) & many small projects
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You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.
Get HelpFrequently Asked Questions
How do I test my DATABASE_URL?
Use psql or mysql CLI directly with the connection string to verify connectivity before testing with Prisma.
What connection pool size should I use?
Start with 10-20 for development, 50+ for production. Monitor and adjust based on concurrent request needs.
How do I enable Prisma connection logs?
Set log level in prisma.schema: datasource db { log: ["query", "info"] }