Abase

DataFunSummit

Mar 15, 2023 · Databases

Abase: ByteDance’s Large‑Scale Online KV Storage System – Architecture, High Availability, and Key Technologies

This article introduces Abase, ByteDance’s massive online KV storage system, detailing its evolution from a single‑cluster KV service to a multi‑region, multi‑tenant platform, and explains the high‑availability challenges and the leaderless multi‑write architecture, hybrid logical clocks, quorum settings, and performance optimizations that enable hundred‑billion QPS and sub‑10 ms latency.