Architecture

Illustration of a Celery worker node communicating with a message broker.

Architecting Python Applications with Celery: A Deep Dive into Distributed Task Queue Management

A practical guide to building robust, scalable Python services with Celery, featuring architecture diagrams, code snippets, and real‑world operational tips.

Diagram of an immutable ledger chain with cryptographic hashes.

Architecting Immutable Ledger Design for Financial Systems: Consistency, Integrity, and Real-World Patterns

Immutable ledgers are the backbone of trustworthy financial systems. This post walks through architecture, consistency models, integrity safeguards, and proven production patterns.

Diagram of a PostgreSQL server with WAL segment files streaming to a replica.

Mastering the PostgreSQL Write-Ahead Log: A Deep Dive into Durable Transactional Architectures

A practical guide to PostgreSQL’s WAL, covering its internals, durability guarantees, and proven patterns for building resilient transaction pipelines.

Diagram of a multimodal RAG pipeline connecting vision-language models, vector stores, and LLMs.

Architecting Multimodal RAG Pipelines: Integrating Vision-Language Models for Production-Ready Applications

A step‑by‑step guide to architecting multimodal RAG systems, covering component selection, scaling patterns, and real‑world deployment tips.

Illustration of PostgreSQL data pages with version chains.

Deep Dive into PostgreSQL MVCC: Transaction Isolation, Snapshot Management, and Real-World Concurrency Control

A hands‑on look at PostgreSQL’s MVCC engine, how snapshots are built, isolation guarantees, and the patterns engineers use to keep high‑throughput workloads safe.