Cracking SRE

Access the Guide

Yoshik Karnawat

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May 1, 2026

Deep Dives

Networking

Apr 30, 2026

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5 min read

TCP is Dead

Why QUIC on UDP is the web's fix

Yoshik Karnawat

System Design

Apr 14, 2026

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23 min read

Consistent Hashing

The Algorithm Behind Every Distributed System You Use

Yoshik Karnawat

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

Your Docker Image Isn't Fat Because of Your Code

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

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

System Design

Feb 10, 2026

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10 min read

YouTube Architecture

How YouTube grew to 2 billion users by bending MySQL to their will

Yoshik Karnawat

Weekly Digest

Digest

#17 Uptime Sync: AI Coding's Junior Dev Killer, RFCs as the Ultimate Engineering Skill

May 2, 2026

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2 min read

#17 Uptime Sync: AI Coding's Junior Dev Killer, RFCs as the Ultimate Engineering Skill

Microsoft's AI agent career warnings, Istio's registry migration fallout, and the chaos engineering practices that actually ship to production

Yoshik Karnawat

Digest

#16 Uptime Sync: MySQL Repo, AI Cognitive Overload, and AWS Incident Lessons From 3000 Outages

Apr 26, 2026

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2 min read

#16 Uptime Sync: MySQL Repo, AI Cognitive Overload, and AWS Incident Lessons From 3000 Outages

NPM supply chain risks, monorepo misconceptions, and the real AI productivity gains hiding in plain sight

Yoshik Karnawat

Digest

#15 Uptime Sync: QUIC, K8s API Governance, and Infrastructure Lessons That Actually Ship

Apr 18, 2026

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2 min read

#15 Uptime Sync: QUIC, K8s API Governance, and Infrastructure Lessons That Actually Ship

Anthropic's Claude Design pivot, the engineering incentives that reward complexity over simplicity, and why serverless is quietly losing to single powerful servers

Yoshik Karnawat

Digest

#14 Uptime Sync: GitOps, AI Agents, and Kubernetes at Scale

Apr 11, 2026

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4 min read

#14 Uptime Sync: GitOps, AI Agents, and Kubernetes at Scale

Anthropic's secret project, the npm supply chain attack you should've caught, and the Kubernetes cost cut hiding in your instance type

Yoshik Karnawat

Digest

#13 Uptime Sync: Axios Hack, AWS Multi-AZ Assumptions Broken by War, Wix Migrated 1000 MySQL Servers

Apr 4, 2026

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4 min read

#13 Uptime Sync: Axios Hack, AWS Multi-AZ Assumptions Broken by War, Wix Migrated 1000 MySQL Servers

Iran conflict outage, Graviton zero-downtime migration, Redpanda Cloud architecture, and the AWS logs you miss during incidents

Yoshik Karnawat

Digest

#12 Uptime Sync: DoorDash's Service Mesh at 80M RPS, GitLab Deployed 12 Times Daily, and AI Agent Misconceptions

Mar 28, 2026

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4 min read

#12 Uptime Sync: DoorDash's Service Mesh at 80M RPS, GitLab Deployed 12 Times Daily, and AI Agent Misconceptions

IP overlap routing, GitHub Enterprise search HA, storage design trade-offs, and S3 as a database substrate

Yoshik Karnawat

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

Cracking SRE

Deep Dives

TCP is Dead

Consistent Hashing

A Crash Course On High Availability

Your Docker Image Isn't Fat Because of Your Code

The Secret Behind AWS S3

YouTube Architecture

Weekly Digest

#17 Uptime Sync: AI Coding's Junior Dev Killer, RFCs as the Ultimate Engineering Skill

#16 Uptime Sync: MySQL Repo, AI Cognitive Overload, and AWS Incident Lessons From 3000 Outages

#15 Uptime Sync: QUIC, K8s API Governance, and Infrastructure Lessons That Actually Ship

#14 Uptime Sync: GitOps, AI Agents, and Kubernetes at Scale

#13 Uptime Sync: Axios Hack, AWS Multi-AZ Assumptions Broken by War, Wix Migrated 1000 MySQL Servers

#12 Uptime Sync: DoorDash's Service Mesh at 80M RPS, GitLab Deployed 12 Times Daily, and AI Agent Misconceptions

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.

The Uptime Engineer