martinuke0's Blog

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.

Illustration of multiple data streams flowing through a QUIC connection without interference.

Deep Dive into QUIC Stream Multiplexing: Eliminating Head-of-Line Blocking for High-Performance Networking

A practical guide to QUIC’s stream multiplexing, showing how it solves head‑of‑line blocking and how to implement it in real systems.

Illustration of a corporate smartphone fleet managed through a centralized console.

Mastering Mobile Device Management: Architecture, Security, and Lifecycle Strategies for Enterprise Endpoints

A deep dive into MDM architecture, security controls, and lifecycle automation, illustrated with real‑world patterns from Intune, Android Enterprise, and Apple Business Manager.