Copy-on-Write

Diagram of a Linux page table showing shared and private pages.

Deep Dive into Copy-on-Write Semantics: Memory Management and Performance in Modern Linux Kernels

A practical guide to Linux’s copy‑on‑write mechanism, covering its internals, performance impact, and production‑ready patterns.

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.

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.

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.

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.