Tencent Cloud Middleware

Dec 15, 2022 · Operations

Designing Pulsar Disaster Recovery: Multi‑Region Replication, Rack‑Aware Placement, and Dual‑Write Strategies

This article explains how Tencent engineers configure Apache Pulsar for disaster recovery, covering multi‑replica consistency, journal handling, rack‑aware placement, GEO cross‑region replication, dual‑write/dual‑consume setups, and operational lessons for ad and billing scenarios.