01
CloudSep 9, 2026
The AWS Bill That Taught Me More Than Any Cloud Course
A small architecture, a surprisingly large bill, and the lesson hidden inside every invisible data path.
Topic / 04 entries
Cloud
Distributed infrastructure, reliability, and operating at scale.
02
CloudSep 8, 2026
Your EC2 Instance Is Lying to You
CPU says 20%. Memory looks comfortable. The application is still slow because host health and application health are different systems.
03
SystemsSep 6, 2026
The Day Your Application Becomes a Distributed System
It happens earlier than you think: the moment correctness depends on two machines agreeing across an unreliable network.
04
CloudJul 30, 2026
Retries Are Distributed Loops
Why a harmless retry policy can amplify an outage—and how budgets, jitter, and idempotency keep recovery from becoming load.