Imply Videos
Dec 9, 2022
Load, Drop & Kill – The Life of a Segment
In Apache Druid, after ingesting some data and publishing a segment to Deep Storage, it is the Load, Drop rule a Kill process behavior that govern the caching of segments on historicals across multiple tiers. In this session we review the overall process that each segment undergoes and how to control it. We’ll talk about how to deal with hot and cold tiers and provide details on how the coordinator’s algorithm manages overall segments’ life cycle.