Snapshots

Designing Resilient Storage with ZFS Copy-On-Write Snapshots and Journal Recovery

ZFS’s copy‑on‑write architecture paired with journal‑based recovery provides immutable snapshots and fast rollback, making it ideal for resilient storage stacks.

Layered diagram of a copy-on-write B-tree showing page versions branching from a stable root.

Architecting Copy-on-Write B-Trees: High-Performance Snapshot Strategies for Production Databases

A practical deep dive into copy-on-write B-tree design: page versioning, root promotion, MVCC snapshots, and the GC strategies that keep production storage engines fast under write pressure.

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, with real‑world architecture diagrams, consistency models, and production‑ready patterns.

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.