Architecture

Illustration of PostgreSQL MVCC snapshot layers.

Deep Dive into PostgreSQL MVCC: Transaction Isolation, Snapshot Management, and Concurrency Control for Production

A production‑ready guide to PostgreSQL’s MVCC, covering isolation levels, snapshot lifecycles, and concurrency patterns engineers can apply today.

Illustration of PostgreSQL WAL sequence diagram.

Deep Dive into the Postgres Write-Ahead Log: Ensuring Data Durability and Crash Recovery

An in‑depth look at PostgreSQL’s WAL, covering its role in durability, crash recovery mechanisms, configuration, and real‑world performance tuning.

Diagram comparing token bucket and leaky bucket flow.

Architecting Token Bucket vs. Leaky Bucket Rate Limiters: Implementation Strategies for Production-Ready Services

A deep dive into token‑bucket and leaky‑bucket rate limiting, covering core math, scaling strategies, and real‑world implementation recipes.

Diagram of layered storage architecture spanning SSD, HDD, and object storage.

Mastering Storage Management Strategies for Modern IT Infrastructure: Architecture, Scalability, and Production-Ready Patterns

A deep dive into storage architectures, scalability tricks, and battle‑tested patterns that help engineers build resilient, cost‑efficient data platforms.

Diagram of a B-tree node split with copy‑on‑write pointers.

Implementing Copy-on-Write B-Trees for Database Snapshots: Architecture, Consistency, and Production Patterns

A deep dive into implementing copy‑on‑write B‑trees for snapshotting databases, covering architecture, consistency guarantees, and proven production patterns.