Apache Spark won't melt down when your data doesn't fit in RAM anymore

Hey, before I start I need to make an honest clarification, because in this series transparency is sacred: the automated analysis I was handed for this post talked about a "memory layer for AI agents," vector DBs, and cross-session context persistence. That has nothing to do with what Apache Spark actually is. That description belongs to a different tool — probably something like Mem0 or similar — and it got crossed wrong in the curation pipeline. It happens, automated systems sometimes mix up m