wal3: A Write-Ahead Log for Chroma, Built on Object Storage# Authored by Robert Escriva Sicheng Pan TJ Krusinski Sanket Kedia Hammad Bashir Building a database is a battle against failures. Every bit wants to flip, every pointer wants to dangle, and every invariant seeks to be violated. In the hostile environment of the data center, anything that can go wrong will eventually go wrong. And when tha