reset_timedout_connection
The `reset_timedout_connection` directive allows NGINX to reset connections that have timed out in order to reclaim resources.
Description
The reset_timedout_connection directive is utilized in the HTTP context, server contexts, and location contexts to manage idle connections that have exceeded their allowed inactive period. When enabled, this directive ensures that NGINX does not leave connections open indefinitely, which can consume server resources unnecessarily. By resetting these connections, NGINX can maintain better performance under heavy load and improve responsiveness by freeing up resources that could be allocated to new requests instead of keeping dormant connections alive.
The directive accepts a single argument, which is a flag that signifies whether to activate this behavior or not. When set to 'on', NGINX will systematically check for connections that have timed out and will forcibly close them. This setting is particularly useful in high traffic environments where connections may be left in a semi-open state due to client-side inactivity. The internal connection timeout settings will dictate how quickly these idle connections are identified and closed, therefore it is often used in conjunction with other timeout directives to fine-tune connection management.
It is important to note that while this directive is beneficial in managing resource usage, misconfiguration might lead to premature connection terminations, potentially affecting user experience if connections are reset too aggressively. The directive functions as an additional safety measure, enhancing the robustness of connection handling in NGINX servers.
Config Example
server {
listen 80;
server_name example.com;
location / {
reset_timedout_connection on;
proxy_pass http://backend;
}
}Ensure the timeout settings (like keepalive_timeout) are configured correctly to avoid terminating important connections.
Be cautious of excessively resetting connections that may lead to a poor experience for users accessing your web application.