Latest

Digest

Feb 2, 2026

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4 min read

#6 Uptime Sync: Kubernetes 1.35, PostgreSQL at 800M Users & TCP Debugging

Scaling 800M users, production security stories, and network debugging patterns that actually work

Yoshik Karnawat

Networking

Jan 27, 2026

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7 min read

HTTP/3 Doesn't Just Speed Things Up

It Abandons TCP Entirely

Yoshik Karnawat

Jan 19, 2026

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6 min read

How SSO Actually Works

One login, dozens of apps. Here's the mechanism behind it.

Yoshik Karnawat

Digest

Jan 16, 2026

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5 min read

#5 Uptime Sync: Zero-Downtime Elasticsearch Upgrades, AI Realities & Kubernetes Mental Models

Major version upgrades without downtime, honest takes on AI limitations, distributed system architecture patterns, and production-grade security tooling

Yoshik Karnawat

Cloud

Jan 12, 2026

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8 min read

Under-the-hood of Load Balancers

Most 502s don't come from failed backends. They come from behaviors you never configured.

Yoshik Karnawat

Digest

Jan 8, 2026

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4 min read

#4 Uptime Sync: BGP Route Leaks, GitHub Platform Engineering & Terraform Rollback Patterns

Route leak forensics in production networks, how platform teams solve infrastructure at scale, safe infrastructure rollback strategies, and AI coding agents that actually ship code

Yoshik Karnawat

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Master the Infrastructure Fundamentals That Matter. Learn How Linux, Networks, and Cloud Actually Work

Weekly one deep-dive into Linux, networking, cloud, and production outages. 3-7 minute reads that help you debug faster and understand systems deeper.