Aikesheng Open Source Community
Dec 10, 2024 · Databases
Random Data Source Selection Issue When Adding Replicas in OceanBase 4.2.1.4 and Its Solutions
An OceanBase 4.2.1.4 deployment experienced random selection of data sources when adding tenant replicas, causing cross‑city bandwidth congestion; the article reproduces the issue, analyzes its cause, and presents three remediation methods—including setting the choose_migration_source_policy parameter, manual replica addition, and temporary network isolation.
DataMigrationDatabaseConfigurationDisasterRecovery
0 likes · 9 min read