Nerd For Tech
Published in

Nerd For Tech

Write-Ahead Log — WAL

Write Ahead Logs are used in RDBMS like PostgreSql, MySql, SQLServer and Distributed Systems like Cassandra, Kafka for ensuring durability of data across crashes.
Write Ahead Log Sample Struct

WAL — Write Ahead Log



NFT is an Educational Media House. Our mission is to bring the invaluable knowledge and experiences of experts from all over the world to the novice. To know more about us, visit

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Pratik Pandey

Senior Engineer with experience in designing and architecting large scale distributed systems.