Baidu Geek Talk

May 24, 2021 · Big Data

Real-Time Quantile Computation Using TDigest: Architecture and Solutions

The article presents a real‑time quantile solution using the TDigest data structure, which clusters data into centroids and stores digests in Redis or Doris, pre‑computes quantiles for all dimension combinations, and provides a reusable API that delivers fast, accurate, low‑memory quantile statistics for diverse business scenarios.