Cold Start Issue in Vercel-Deployed Backend

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1

I have deployed my backend on Vercel and I’m experiencing a significant “cold start” problem. Specifically:

  1. The server appears to “shut down” after a period of inactivity.
  2. The first request after this period of inactivity is extremely slow, taking much longer than expected to respond.
  3. Subsequent requests function normally, with fast and expected response times.

This behavior suggests that Vercel is deactivating server resources after a period of inactivity, resulting in a prolonged startup time when a new request is received.

are there configuration options to keep the server “warm” and avoid this cold start problem?

i have hobby plan

2

Hi, we offer the feature you described on paid plans (Pro and Enterprise): Vercel Functions now have faster and fewer cold starts – Vercel

Please see the following guide to improve your cold starts performance: How can I improve function cold start performance on Vercel?

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