Scaling & Infra22 min read
Serverless on AWS in Production — What Nobody Tells You Until It Hurts
Not a "what is serverless" post. The stuff you learn after the demo, from someone who's run it at scale.
Writing
39 long-form articles on production engineering — how real systems fail, why, and what actually fixed them.
4 articles matching “Observability”
Observability16 min read
Averages Are a Lie — The Long Tail That Quietly Runs Every System You Build, From p99 Latency to Hot Keys
The bell curve taught you the average is a fair summary and outliers are rare. In software both halves are false: latencies, key popularity, file sizes and follower counts are heavy-tailed power laws where the outliers…
Observability10 min read
Silence Isn't Death — Why "I Can't Reach It" Never Means a Node Is Dead
Every distributed system contains a quiet subsystem that decides which peers are still alive — and "send a ping, no reply, mark it dead" is wrong in a few interesting ways.
Production Incidents25 min read
“We Have Exactly-Once Delivery” — The Lie Your Architecture Is Telling You
Why “our queue guarantees exactly-once” is almost always a lie once your flow crosses a component boundary: Kafka EOS scope, ack-after-process, unique constraints, SQS FIFO, DB transactions with SMTP, retries without…