| Parameter | Description | Recommended value/range |
|---|---|---|
| server_tcp_user_timeout | The user timeout period for the TCP connection between OceanBase Database Proxy (ODP) and an OBServer node. The default value is 0s. |
We recommend that you use the default value. |
| client_tcp_user_timeout | The user timeout period for the TCP connection between ODP and a client. The default value is 0s. |
We recommend that you use the default value. |
| client_max_connections | The maximum number of client connections that ODP supports. The default value is 8192. |
We recommend that you use the default value. |
| connect_observer_max_retries | The maximum number of retries for ODP to connect to the OBServer node. The default value is 3. |
We recommend that you use the default value. |
| observer_query_timeout_delta | The network transmission delay added to the ob_query_timeout parameter of an OBServer node, in seconds. Value range: [1, 39]. Default value: 20. |
We recommend that you use the default value. |
| sock_option_flag_out | TCP parameters between OBProxy and OBServer. The parameters are represented in binary digits:
|
|
| server_tcp_keepidle | The idle time before a keepalive packet is sent for the TCP connection between an ODP and an OBServer node, in seconds. Default value: 5. | We recommend that you use the default value. |
| server_tcp_keepintvl | The interval between two keepalive packets for the TCP connection between an ODP and an OBServer node, in seconds. Default value: 5. | We recommend that you use the default value. |
| server_tcp_keepcnt | The maximum number of keepalive packets to be sent for the TCP connection between an ODP and an OBServer node. The default value is 5. |
We recommend that you use the default value. |
| client_sock_option_flag_out | TCP parameters between Client and OBProxy. The parameters are represented in binary digits:
|
We recommend that you set it to 3, which indicates that bits 0 and 1 are 1, and no_delay and linger_on are enabled. |
| client_tcp_keepidle | The idle time before a keepalive packet is sent for the TCP connection between ODP and a client, in seconds. Default value: 5. | We recommend that you use the default value. |
| client_tcp_keepintvl | The interval between two keepalive packets for the TCP connection between ODP and a client, in seconds. Default value: 5. | We recommend that you use the default value. |
| client_tcp_keepcnt | The maximum number of keepalive packets to be sent for the TCP connection between ODP and a client. The default value is 5. |
We recommend that you use the default value. |
Network transmission parameters
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