JD Retail Technology
Aug 16, 2019 · Databases
Online Schema Change in Distributed Databases: Insights from Google F1 and CB‑SQL
The article explains how distributed databases can perform online, asynchronous schema changes without blocking reads or writes by using lease‑based coordination, intermediate delete‑only and write‑only states, and a multi‑step algorithm inspired by Google F1 and implemented in CB‑SQL.
CB-SQLDistributed DatabasesGoogle F1
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