Alibaba Cloud Native

Apr 2, 2021 · Cloud Native

How Alibaba’s OverlayBD Revolutionizes Container Startup with On‑Demand Image Reads

Alibaba’s open‑source DADI project introduces the overlaybd image format, which uses block‑level on‑demand reads, iSCSI targets, and a ZFile compression scheme to cut container cold‑start times by up to five times, offering a scalable solution for cloud‑native workloads.