BLOG_

Notes for building systems that survive the real world.

Backend analysis, explained decisions and patterns you can apply. I write from practical experience, with data and code.

DEEP DIVE2 MIN · GO / PYTHON

Goroutines vs asyncio: memory under stress in Go and Python

A guide to designing a fair comparison of concurrency, memory and latency across both models.

ENFOQUEPerfilado

COMPARAMemoria

ESTADOGuía

EXPLAIN ANALYZE
Index Scan using
idx_orders_date

8.241 ms

02SQL · 1 MIN

A guide to reading EXPLAIN ANALYZE, reducing processed rows and designing a useful index.

03CLOUD · 1 MIN

A practical comparison of cost, cold starts, scaling and developer experience, with a decision guide.

04ARCHITECTURE · 1 MIN

Clear boundaries, simple deployment and an extraction path when the domain actually demands it.

05POSTGRESQL · 1 MIN

A guide to recognizing saturation and designing a test that can size the pool.

06OBSERVABILITY · 1 MIN

Latency, errors, saturation and traffic turned into a dashboard that cuts diagnosis time.