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Dive into a collection of past posts and rediscover timeless content.

Digest

#7 Uptime Sync: GPT-5.3 Codex, Claude Opus 4.6 & Netflix's Real-Time Graph

Feb 8, 2026

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4 min read

#7 Uptime Sync: GPT-5.3 Codex, Claude Opus 4.6 & Netflix's Real-Time Graph

New AI model launches, credential leak research, and distributed systems architecture at internet scale

Yoshik Karnawat
Yoshik Karnawat

Digest

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

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
Yoshik Karnawat

Networking

HTTP/3 Doesn't Just Speed Things Up

Jan 27, 2026

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7 min read

HTTP/3 Doesn't Just Speed Things Up

It Abandons TCP Entirely

Yoshik Karnawat
Yoshik Karnawat
How SSO Actually Works

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
Yoshik Karnawat

Digest

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

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
Yoshik Karnawat

Cloud

Under-the-hood of Load Balancers

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
Yoshik Karnawat

Digest

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

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
Yoshik Karnawat

Bonus

How I'd Learn DevOps in 2026 (If I Started Over Today)

Jan 5, 2026

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6 min read

How I'd Learn DevOps in 2026 (If I Started Over Today)

Most learning paths optimize for "looking employable." Here's how to avoid that.

Yoshik Karnawat
Yoshik Karnawat

Digest

#3 Uptime Sync: Netflix Streaming, Matrix Outage & AI Agents for DevOps

Jan 1, 2026

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4 min read

#3 Uptime Sync: Netflix Streaming, Matrix Outage & AI Agents for DevOps

Live streaming reliability at scale, incident management lessons, SRE fundamentals, AI-powered automation, and production-ready security tooling

Yoshik Karnawat
Yoshik Karnawat

Linux

Inside eBPF: How Linux Observability Went Kernel-Level

Dec 29, 2025

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5 min read

Inside eBPF: How Linux Observability Went Kernel-Level

And why your entire monitoring stack is quietly shifting to run programs inside the kernel without crashing your servers

Yoshik Karnawat
Yoshik Karnawat
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