ParameterDefaultDescription min 0 Minumum number of connections that will always be open to the backend server. 1...n Hard Maximum number of connections that will be allowed to the backend server. The default for a Hard Maximum for the number of connections is the number of threads per process in the active MPM. In the Prefork MPM, this is always 1, while with the Worker MPM it is controlled by the . Apache will never create more than the Hard Maximum connections to the backend server. smax Upto the Soft Maximum number of connections will be created on demand. Any connections above are subject to a time to live or . ttl Time To Live for the inactive connections above the connections in seconds. Apache will close all connections that has not been used inside that time period. timeout Connection timeout in seconds. If not set the Apache will wait until the free connection is available. This directive is used for limiting the number of connections to the backend server together with parameter. acquire If set this will be the maximum time to wait for a free connection in the connection pool. If there are no free connections in the pool the Apache will return status to the client. keepalive Off This parameter should be used when you have a firewall between your Apache and the backend server, who tend to drop inactive connections. This flag will tell the Operating System to send messages on inactive connections (interval depends on global OS settings, generally 120ms), and thus prevent the firewall to drop the connection. To enable keepalive set this property value to . retry 60 Connection pool worker retry timeout in seconds. If the connection pool worker to the backend server is in the error state, Apache will not forward any requests to that server until the timeout expires. This enables to shut down the backend server for maintenance, and bring it back online later. loadfactor 1 Worker load factor. Used with BalancerMember. It is a number between 1 and 100 and defines the normalized weighted load applied to the worker. route Route of the worker when used inside load balancer. The route is a value appended to seesion id. redirect Redirection Route of the worker. This value is usually set dynamically to enable safe removal of the node from the cluster. If set all requests without session id will be redirected to the BalancerMember that has route parametar equal as this value.     以上就是本篇文章【apache 反向代理】的全部内容了，欢迎阅览 ！ 文章地址：http://sicmodule.glev.cn/quote/7853.html 
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