How to Enable Multi‑Data‑Center Active‑Active Redis with Bidirectional Sync and rLog

This article explains how a company extended native Redis to support bidirectional synchronization across multiple data‑center sites, addressing issues such as lack of master‑master replication, data loops, idempotency, write conflicts, and providing a custom rLog design for efficient breakpoint‑resume and performance.

Active-ActiveDataSyncReplication

0 likes · 16 min read

How to Enable Multi‑Data‑Center Active‑Active Redis with Bidirectional Sync and rLog

JD Tech Talk

May 17, 2021 · Databases

Design and Optimization of Multi‑Data‑Center Redis Synchronization

This article describes the challenges of native Redis in multi‑data‑center deployments and presents the design, implementation, and performance evaluation of a custom Redis extension that adds bidirectional synchronization, rlog logging, protocol enhancements, and conflict‑resolution mechanisms to achieve reliable cross‑region active‑active operation.

Multi-Data Centerdata synchronizationfault tolerance

0 likes · 16 min read

Design and Optimization of Multi‑Data‑Center Redis Synchronization