Diagram of copy‑on‑write memory sharing in Linux.

Deep Dive into Copy-on-Write Semantics: Architecture, Efficiency, and Modern Linux Kernel Implementation

A technical walkthrough of COW’s design in Linux, showing how it saves memory, where it’s used, and what you can tune in production.

May 26, 2026 · 7 min · 1287 words · martinuke0
Illustration of a B-Tree node being duplicated for a snapshot.

Implementing Copy-on-Write B-Trees: Engineering Durable Database Snapshots and Point-in-Time Recovery Architecture

This post walks through the engineering of copy‑on‑write B‑trees for fast, crash‑consistent snapshots and PITR, highlighting architecture, implementation details, and real‑world trade‑offs.

May 24, 2026 · 9 min · 1757 words · martinuke0
Illustration of a B‑tree node being duplicated for a snapshot.

Implementing Copy-on-Write B-Trees: A Deep Dive into High-Performance Database Snapshot Architecture

A practical walkthrough of implementing copy‑on‑write B‑trees for database snapshots, covering design patterns, performance trade‑offs, and real‑world deployment tips.

May 21, 2026 · 7 min · 1335 words · martinuke0
Illustration of a B‑tree with highlighted copy‑on‑write nodes.

Implementing Copy-on-Write B-Trees: Architecture and Patterns for Efficient Database Snapshots

A deep dive into copy‑on‑write B‑tree design, showing how major systems achieve efficient snapshots and offering actionable patterns for engineers.

May 21, 2026 · 8 min · 1604 words · martinuke0
Diagram of shared memory pages with copy-on-write arrows.

Deep Dive into Copy-on-Write Semantics in Modern Linux Kernels: Architecture, Implementation, and Real-World Patterns

A technical walkthrough of Linux’s copy‑on‑write mechanism, from page‑fault handling to real‑world deployment patterns.

May 21, 2026 · 8 min · 1632 words · martinuke0
Feedback