proxy_route_policy specifies the routing strategy for weak-consistency read requests in OceanBase Database Proxy (ODP), which defines the backend server to which client requests are routed for processing.
| Attribute |
Description |
| Parameter type |
String |
| Default value |
'', which indicates an empty string |
| Value range |
- Empty string: The default routing strategy (
MERGE_IDC_ORDER) of ODP is used. In this strategy, weak-consistency read requests can be routed to followers and read-only replicas.
FOLLOWER_FIRST: Read requests are preferentially routed to followers. If all the followers are unavailable, the requests are routed to the leader.FOLLOWER_ONLY: Read requests are routed only to followers. If all the followers are unavailable, the connection to the client is terminated.UNMERGE_FOLLOWER_FIRST: Read requests are preferentially routed to a follower of which the cluster is not in a major compaction. |
| Effective upon ODP restart |
No |
