Writing

Building a Key-Value Store from Scratch

Building a key-value store in Go, from an append-only file to indexes, segments, compaction, and SSTables.

Building an OpenTelemetry Pipeline with Grafana Cloud

Building an OpenTelemetry pipeline, from the first trace to metrics, logs, and remote Collector management

Messaging with RabbitMQ

notes on RabbitMQ messaging, including queues, exchanges, acknowledgements, and streams.

The Journey of an HTTP Request

what happens after typing google.com into a browser and pressing Enter

Isolation Levels in PostgreSQL

Data Structures Implementations in TypeScript

Caching: Patterns, Invalidation, and Eviction

notes on how caching works, when data is added or removed.

Authentication and Authorization