Archive

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

Digest

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

Jul 6, 2026

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2 min read

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

Self-managing infra, transaction-powered workflows, and the practical lessons hiding behind retry storms, pager fatigue, and simpler stacks

Yoshik Karnawat

DevOps

21 Lessons I Learned in My First 3 Years as an SRE

Jun 28, 2026

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3 min read

21 Lessons I Learned in My First 3 Years as an SRE

The advice I'd give every junior DevOps and SRE engineer starting today.

Yoshik Karnawat

Digest

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

Jun 26, 2026

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1 min read

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

Practical infra lessons, zero-downtime migrations, and simple systems that keep outperforming fashionable stacks

Yoshik Karnawat

Jun 22, 2026

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9 min read

Eventual Consistency

How Dynamo, Cassandra, and Cosmos DB Choose Availability Over Immediate Agreement

Yoshik Karnawat

System Design

Jun 17, 2026

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12 min read

DevOps vs MLOps vs AIOps

What Each One Actually Does (and When You Need Which)

Yoshik Karnawat

Digest

#23 Uptime Sync: ClickHouse Bottlenecks, Rust Migrations, and the AI Hype Check

Jun 12, 2026

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2 min read

#23 Uptime Sync: ClickHouse Bottlenecks, Rust Migrations, and the AI Hype Check

Hidden pipeline slowdowns, kube-native platform shifts, and the engineering lessons freshers need before the hype overwhelms them

Yoshik Karnawat

System Design

Jun 9, 2026

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14 min read

WhatsApp Architecture

The System That Scaled to Billions on 550 Servers

Yoshik Karnawat

Digest

#22 Uptime Sync: Kafka Upgrades, AI Security Chaos, and the Cloud Patterns That Actually Matter

Jun 6, 2026

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2 min read

#22 Uptime Sync: Kafka Upgrades, AI Security Chaos, and the Cloud Patterns That Actually Matter

From KRaft migrations and Kubernetes networking to idempotency, PostgreSQL hacks, and the new flood of AI-generated security reports

Yoshik Karnawat

Networking

Jun 1, 2026

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11 min read

How IP Addressing Actually Works

Subnetting, CIDR, and NAT

Yoshik Karnawat

Digest

#21 Uptime Sync: GitHub’s Reliability Crisis, Supply Chain Malware, and the Kubernetes Bottlenecks Nobody Sees

May 30, 2026

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2 min read

#21 Uptime Sync: GitHub’s Reliability Crisis, Supply Chain Malware, and the Kubernetes Bottlenecks Nobody Sees

Failure modes in cloud-native systems, supply chain compromise, and the production gaps that surface only when traffic, tooling, and scale collide

Yoshik Karnawat

Archive

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

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

21 Lessons I Learned in My First 3 Years as an SRE

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

Eventual Consistency

DevOps vs MLOps vs AIOps

#23 Uptime Sync: ClickHouse Bottlenecks, Rust Migrations, and the AI Hype Check

WhatsApp Architecture

#22 Uptime Sync: Kafka Upgrades, AI Security Chaos, and the Cloud Patterns That Actually Matter

How IP Addressing Actually Works

#21 Uptime Sync: GitHub’s Reliability Crisis, Supply Chain Malware, and the Kubernetes Bottlenecks Nobody Sees

The Uptime Engineer