Digest

#37 Uptime Sync: AWS Outages, Postgres Replication, and Cutting Observability Costs

Sep 26, 2026

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1 min read

#37 Uptime Sync: AWS Outages, Postgres Replication, and Cutting Observability Costs

What a year of AWS failures reveals about multi-region architecture, why DuckDB 2.0 is faster, and how teams are reducing monitoring bills without losing visibility

Yoshik Karnawat

Digest

#36 Uptime Sync: Growing Past Senior, Cutting Cloud Waste, and Preventing Production Incidents

Sep 20, 2026

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1 min read

#36 Uptime Sync: Growing Past Senior, Cutting Cloud Waste, and Preventing Production Incidents

Career progression, architecture trade-offs, 100 TB of saved RAM, and practical DevOps lessons for building safer and more efficient systems

Yoshik Karnawat

Digest

#35 Uptime Sync: Cloud Availability Risks, PostgreSQL 19, and AI Agent Safety

Sep 11, 2026

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1 min read

#35 Uptime Sync: Cloud Availability Risks, PostgreSQL 19, and AI Agent Safety

The hidden failure modes in cloud software, the infrastructure changes worth tracking now, and why human judgment still matters in AI-powered engineering

Yoshik Karnawat

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

Digest

#28 Uptime Sync: The Security Gaps, Database Regressions, and Failovers That Hurt in Production

Jul 26, 2026

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2 min read

#28 Uptime Sync: The Security Gaps, Database Regressions, and Failovers That Hurt in Production

From compromised release branches and silent PostgreSQL defaults to chaos-tested Kubernetes operators and high-availability systems that still brown out

Yoshik Karnawat

Digest

#27 Uptime Sync: DNS Failures, Million-Sandbox Scale, and the Kubernetes Risks

Jul 19, 2026

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2 min read

#27 Uptime Sync: DNS Failures, Million-Sandbox Scale, and the Kubernetes Risks

Production failures, infrastructure at extreme scale, and the security gaps that can turn a small misconfiguration into a cluster takeover

Yoshik Karnawat

Digest

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

Jul 12, 2026

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2 min read

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

Why working code gets replaced too early, databases become harder to operate than expected, and real infrastructure costs begin after the demo

Yoshik Karnawat

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

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

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

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

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

Digest

#20 Uptime Sync: Amazon DC Repairs, Cloudflare’s Linux Vulnerability, and GitHub’s Crisis

May 23, 2026

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2 min read

#20 Uptime Sync: Amazon DC Repairs, Cloudflare’s Linux Vulnerability, and GitHub’s Crisis

Hidden failure modes in cloud infrastructure, zero-downtime database upgrades, and the production bottlenecks most teams only notice when they’re already on fire

Yoshik Karnawat

Digest

#19 Uptime Sync: Github Code Leak, ClickHouse Bottleneck, Lambda's Invisible Network

May 21, 2026

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2 min read

#19 Uptime Sync: Github Code Leak, ClickHouse Bottleneck, Lambda's Invisible Network

Hidden contention in billing pipelines, security-driven pipeline hardening, and the engineering behind cloud systems most teams never see

Yoshik Karnawat

Digest

#18 Uptime Sync: Terraform's Quiet Decline, AI's Junior Dev Killer, and SSH Honeypot's 269K Attackers

May 9, 2026

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2 min read

#18 Uptime Sync: Terraform's Quiet Decline, AI's Junior Dev Killer, and SSH Honeypot's 269K Attackers

Port 22 exposed for 54 days, the cognitive overload of AI coding tools, and why software engineers solve problems, not write code

Yoshik Karnawat

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

#37 Uptime Sync: AWS Outages, Postgres Replication, and Cutting Observability Costs

#36 Uptime Sync: Growing Past Senior, Cutting Cloud Waste, and Preventing Production Incidents

#35 Uptime Sync: Cloud Availability Risks, PostgreSQL 19, and AI Agent Safety

#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

#28 Uptime Sync: The Security Gaps, Database Regressions, and Failovers That Hurt in Production

#27 Uptime Sync: DNS Failures, Million-Sandbox Scale, and the Kubernetes Risks

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

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

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

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

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

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

#20 Uptime Sync: Amazon DC Repairs, Cloudflare’s Linux Vulnerability, and GitHub’s Crisis

#19 Uptime Sync: Github Code Leak, ClickHouse Bottleneck, Lambda's Invisible Network

#18 Uptime Sync: Terraform's Quiet Decline, AI's Junior Dev Killer, and SSH Honeypot's 269K Attackers

#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

The Uptime Engineer