BlogXiaowei Chen
Xiaowei Chen
Director of Public Cloud Product, OceanBase
Xiaowei Chen leads the product strategy and innovation for cloud database services at OceanBase. Passionate about the broader technology landscape, including AI infrastructure, developer experience, cross-cloud architecture, SaaS product strategy, and the future of data systems.
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PRODUCT
RPO and RTO Explained: A Decision Framework for Database DR Architecture
Learn how to calculate RTO and RPO requirements for your database, avoid common sizing mistakes, and map your targets to the right disaster recovery architecture.
Xiaowei ChenApril 24, 2026
THOUGHT LEADERSHIP
Multi-AZ is not disaster recovery (and today proved it)
An AZ outage can expose the gap between “highly available” and truly recoverable. This guide explains cross-region vs cross-cloud disaster recovery, RTO/RPO, and the architectures that work in practice.
Xiaowei ChenMarch 3, 2026