Become a Better Infrastructure Engineer, Every Week

I’ve worked on infrastructure at PhonePe, KayHosting, and now at a US startup. Every week, I share practical engineering lessons and curate the best articles, tutorials, news, and github projects to help you improve and stay current.

Cracking SRE

Built from my experience working as SRE at a US startup, PhonePe, KayHosting, this guide covers the concepts, questions, and practical thinking you actually need to crack SRE interviews.

Yoshik Karnawat

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May 1, 2026

Weekly Digest

Digest

#34 Uptime Sync: AI Outages, Buildkite Lessons, and the Cloud Costs Hiding in Plain Sight

Sep 5, 2026

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1 min read

#34 Uptime Sync: AI Outages, Buildkite Lessons, and the Cloud Costs Hiding in Plain Sight

From chatbot downtime and crawler traffic to inconsistent VM performance, safer recovery workflows, and practical GitOps tools

Yoshik Karnawat

Digest

#33 Uptime Sync: PostgreSQL 18 Speed, AI Agent Risks, and Smarter Kubernetes Scaling

Aug 29, 2026

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1 min read

#33 Uptime Sync: PostgreSQL 18 Speed, AI Agent Risks, and Smarter Kubernetes Scaling

From UUID v7 inserts and Kubernetes FinOps to AI agents in CI/CD - cloud, database, and security lessons.

Yoshik Karnawat

Digest

#32 Uptime Sync: PgBouncer, Kubernetes Health Checks, and the Production Mistakes That Take Services Down

Aug 22, 2026

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1 min read

#32 Uptime Sync: PgBouncer, Kubernetes Health Checks, and the Production Mistakes That Take Services Down

Database connections, broken probes, cloud-cost discipline, and practical DevOps lessons for engineers running real systems

Yoshik Karnawat

Digest

#31 Uptime Sync: P99 Breakthroughs, AI Agent Blind Spots, and Infrastructure at Massive Scale

Aug 15, 2026

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2 min read

#31 Uptime Sync: P99 Breakthroughs, AI Agent Blind Spots, and Infrastructure at Massive Scale

From a one-line Python fix to GPU networking, secure CI pipelines, and the observability gaps hiding inside AI agents

Yoshik Karnawat

Digest

#30 Uptime Sync: AI Agents in Production, Telemetry Blind Spots, and the Scale Problems Nobody Sees

Aug 8, 2026

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2 min read

#30 Uptime Sync: AI Agents in Production, Telemetry Blind Spots, and the Scale Problems Nobody Sees

From OpenAI’s sandbox escape to Prometheus memory waste and million-event telemetry pipelines

Yoshik Karnawat

Digest

#29 Uptime Sync: Region Switches, Kafka Performance, and the Kubernetes Failures

Aug 1, 2026

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2 min read

#29 Uptime Sync: Region Switches, Kafka Performance, and the Kubernetes Failures

Game-day traffic recovery, 10 billion webhooks a month, AI cost controls, and the production issues that appear only when systems are under pressure

Yoshik Karnawat

States, Threads, I/O Waits, and /proc Deep Dive

Yoshik Karnawat

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Become a Better Infrastructure Engineer, Every Week

I’ve worked on infrastructure at PhonePe, KayHosting, and now at a US startup. Every week, I share practical engineering lessons and curate the best articles, tutorials, news, and github projects to help you improve and stay current.

Cracking SRE

Weekly Digest

#34 Uptime Sync: AI Outages, Buildkite Lessons, and the Cloud Costs Hiding in Plain Sight

#33 Uptime Sync: PostgreSQL 18 Speed, AI Agent Risks, and Smarter Kubernetes Scaling

#32 Uptime Sync: PgBouncer, Kubernetes Health Checks, and the Production Mistakes That Take Services Down

#31 Uptime Sync: P99 Breakthroughs, AI Agent Blind Spots, and Infrastructure at Massive Scale

#30 Uptime Sync: AI Agents in Production, Telemetry Blind Spots, and the Scale Problems Nobody Sees

#29 Uptime Sync: Region Switches, Kafka Performance, and the Kubernetes Failures

Deep Dives

18-Month SRE and Platform Engineer Roadmap

Terraform vs OpenTofu

Which DevOps Certs Are Worth It in 2026

AWS Networking

Why I Left a Large Company for a Startup

Linux Processes That Do Nothing, Explained

The Uptime Engineer