Alibaba Cloud Developer

Apr 19, 2018 · Databases

How HiTSDB’s New Streaming Aggregation Engine Boosts Query Speed 10×

This article examines the architectural redesign of Alibaba's High‑Performance Time Series Database (HiTSDB), covering storage model changes, inverted‑index enhancements, a pipelined streaming aggregation engine, data‑migration strategies, and performance benchmarks that together deliver over tenfold query speed improvements.