Zhennan Wang
Zhennan has been working on OceanBase's distributed kernel as a senior engineer, shaping the systems that keep the database available, balanced, and self-healing at scale. His work spans high availability architecture, automated disaster recovery, dynamic load balancing, and distributed metadata management, all in service of a single goal: a native distributed database that is universal in capability and effortless in use.
Read more articles from this author
Inside OceanBase Migration, Replication, and Rebuild: Moving Data Without Taking the Database Offline
OceanBase uses background DR tasks (migrate, add, type-transform, rebuild) to keep tenant locality compliant, all online without pausing writes, observable via task views.
Locality in OceanBase: How Replica Placement Becomes an Availability Contract
Learns how locality in OceanBase turns a DR topology into something the cluster enforces - replica counts, replica types (F/R/C), and zone placement.
Designing Disaster Recovery with OceanBase: A Failure-Domain Playbook
How to choose the right OceanBase disaster recovery architecture by failure domain - Server, Zone/IDC, Region, or full cluster - with a decision matrix.