#WAL • 2 Articles
Articles tagged with #WAL
A curated list of engineering series, deep dives, and notes related to #WAL.
Engineering Database Internals from First Principles • Part 20 2026-10-23
Building a Custom Transactional Storage Engine in Java: The Database Capstone
Build a complete, working transactional storage engine in Java with slotted memory pages, WAL crash recovery, LRU buffer pool management, and 2PL locking.
Engineering Database Internals from First Principles • Part 5 2026-09-01
Write-Ahead Logging (WAL) & ARIES Crash Recovery: How Databases Guarantee Durability
Learn how Write-Ahead Logging (WAL) and the ARIES algorithm guarantee zero data loss during power outages and system crashes.