| Parameter | Description | Suggested value/range |
|---|---|---|
| server_tcp_user_timeout | The user timeout for the TCP connection between the ODP and an OBServer. The default value is 0s. | We recommend that you use the default value. |
| client_tcp_user_timeout | The user timeout for the TCP connection between the 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 times that the ODP reconnects to an OBServer. 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. The default value is 20s. |
We recommend that you use the default value. |
| sock_option_flag_out | The binary-bit parameter for the TCP connection between ODP and an OBServer node. The default value of this parameter varies based on the versions of ODP: |
|
| server_tcp_keepidle | The idle time before a keepalive packet is started for the TCP connection between the ODP and an OBServer node. The default value is 5. | We recommend that you use the default value. |
| server_tcp_keepintvl | The interval between two keepalive packets for the TCP connection between the ODP and an OBServer node. The default value is 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 ODP and an OBServer node. The default value is 5. | We recommend that you use the default value. |
| client_sock_option_flag_out | The binary-bit parameter for the TCP connection between ODP and a client. The default value of this parameter varies based on the versions of ODP: |
We recommend that you set the value to 3, which indicates that both bit 0 and bit 1 are 1, and no_delay and keepalive are enabled. |
| client_tcp_keepidle | The idle time before a keepalive packet is started for the TCP connection between the ODP and a client. The default value is 5. | We recommend that you use the default value. |
| client_tcp_keepintvl | The interval between two keepalive packets for the TCP connection between the ODP and a client. The default value is 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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