Note
Namespace Isolation for a Shared Redis
The pattern I use to avoid key collisions and TTL accidents when a single Redis instance is shared across several projects
sade.dev
A notebook on backend and systems engineering.
sade.dev — I write about production lessons, architecture decisions, database, server and application patterns, and AI-assisted engineering. Notes on one side, small but useful developer tools on the other.
Notes
Production notes and short technical explainers.
Note
A PostgreSQL Backup Strategy with pgBackRest
pg_dump alone is not a backup. A PITR-capable, compressed, verifiable backup architecture with pgBackRest
Note
Why Do Laravel Queues Slow Down in Production?
Laravel queue workers are flawless locally and slow in production. The five most common reasons developers overlook
Systems
Full architecture breakdowns.
System
Race Conditions and Gaps in Sequential Numbering: JIT Reservation
Generating legally sequential, gap-free numbers with parallel workers: the JIT reservation pattern that solves race conditions and gaps together
System
Scale Breaking Points in Data-Intensive Systems
As data load grows, where does boring architecture break? Working set, read replicas, partitioning, write load and a separate data layer — the breaking points in order, and what each one costs
Tools
Developer tools that run entirely in your browser.
Tool
Base64 Encoder / Decoder
Encode and decode text with Base64. Supports the URL-safe variant. Unicode-aware.
Tool
JSON Formatter
Format and minify JSON. Runs in your browser, your data never leaves it.
Tool
JWT Decoder
Decodes the header and payload of a JSON Web Token. Does not verify the signature
Tool
Password Generator
Cryptographically secure password generator with adjustable length and character classes. Runs in your browser.
Journal
Decision logs and opinion pieces.
Journal
When I Move to Microservices
The measured signals that justify moving from a monolith to a distributed architecture — and the common false reasons that say it's still too early
Journal
Gitflow or GitHub Flow? How I Choose
Practical criteria for picking a branching strategy by product model, version count, and deploy rhythm — and how each model breaks in the wrong place.
Stack
The tools and server setup I use in production.
MySQL PostgreSQL MongoDB ElasticSearch Redis RabbitMQ Kafka Nginx Docker Cloudflare AWS GCP Github Actions Jenkins Supervisor