Rishabh Parsediya

Blog

Notes on software engineering and modern web development.

Aug 24, 2026Databases8 min read

Managing PostgreSQL Connection Exhaustion in Serverless Node.js Runtimes

Learn how ephemeral serverless invocations exhaust PostgreSQL connections, why TCP and TLS handshakes degrade cold starts, and how to implement PgBouncer transaction pooling or HTTP proxies without socket leaks.

postgresql
serverless
node.js
pgbouncer
databases

Aug 10, 2026Next.js2 min read

What ISR Actually Caches (And When It Lies To You)

Next.js revalidate is not a rebuild timer. Understanding stale-while-revalidate explains why your first visitor after the window still sees old data — and why that's the right tradeoff.

nextjs
caching
performance
isr