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System Design

Mar 23, 2026

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6 min read

A Crash Course On High Availability

Your App Being "Up" and Your App Being "Available" Are Not the Same Thing

Yoshik Karnawat

DevOps

Mar 10, 2026

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9 min read

Your Docker Image Isn't Fat Because of Your Code

The average production Node.js image sits at 900MB. It should be under 150MB. Here's the architectural reason why.

Yoshik Karnawat

Digest

Mar 7, 2026

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5 min read

#11 Uptime Sync: GPT-5.4 Launch, Yelp's AI Assistant, and GPU Health at 20K Scale

Multi-agent architectures, production AI agent skepticism, infrastructure audit automation, and classical ML inference breakthroughs

Yoshik Karnawat

Digest

Mar 2, 2026

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5 min read

#10 Uptime Sync: Docker Builds in Seconds, Netflix LLM Post-Training, and Uber's Access Control Reimagined

Build optimization breakthroughs, runtime security hardening, database partition strategies, and production-tested infrastructure tools

Yoshik Karnawat

Cloud

Feb 24, 2026

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7 min read

The Secret Behind AWS S3

The "11 nines" everyone quotes is not an uptime promise

Yoshik Karnawat

Feb 21, 2026

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4 min read

#9 Uptime Sync: Claude Code Security, Microservices and Databases, and GitOps Lessons Learned

AI coding security, database architecture patterns, promotion frameworks, and self-hosted infrastructure tools worth knowing

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.