Huawei Cloud Developer Alliance

Apr 27, 2020 · Databases

How We Cut 860,000 Table Migration Time from 19 Hours to Under 10

This article details the DRS team's step‑by‑step investigation and optimization of a massive MySQL migration involving 860,000 tables, addressing timeout, OOM, and performance bottlenecks to reduce total migration time from over 19 hours to under 10 hours.