Replica Query

Configuration Item Explanation

dataSource: # Omit the data source configuration, please refer to the usage

rules:
- !REPLICA_QUERY
  dataSources:
    <data-source-name> (+): # Logic data source name of replica query
      primaryDataSourceName: # Primary data source name
      replicaDataSourceNames: 
        - <replica-data-source-name> (+) # Replica data source name
      loadBalancerName: # Load balance algorithm name
  
  # Load balance algorithm configuration
  loadBalancers:
    <load-balancer-name> (+): # Load balance algorithm name
      type: # Load balance algorithm type
      props: # Load balance algorithm properties
        # ...

props:
  # ...

Please refer to Built-in Load Balance Algorithm List for more details about type of algorithm.