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This article mainly introduces "how to modify the maximum number of connections in apache 2". In daily operation, I believe many people have doubts about how to modify the maximum number of connections in apache 2. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the doubts about "how to modify the maximum number of connections in apache 2"! Next, please follow the editor to study!

Modify the httpd.conf file

StartServers 8

MinSpareServers 5

MaxSpareServers 20

MaxClients 150

MaxRequestsPerChild 1000

Modify

MaxClients 150

For

ServerLimit 2000

MaxClients 2000

If there is no part, you need to add note: related command

The ServerLimit directive specifies the maximum number of processes allowed to be configured by the server. Syntax server config limit number default value see the following description scope server config status MPM module prefork, worker

For preforkMPM, this directive sets the maximum allowable configuration value for MaxClients. For workerMPM, this directive is used in conjunction with ThreadLimit to set the maximum allowable configuration value for MaxClients. Any changes to this directive during restart will be ignored, but changes to MaxClients will take effect.

Be very careful when using this instruction. If ServerLimit is set to a much higher value than is actually needed, too much shared memory will be allocated. If ServerLimit and MaxClients are set to exceed the processing capacity of the system, Apache may not start, or the system may become unstable.

For preforkMPM, you need to use this instruction only if you need to set MaxClients higher than the default of256. Keep the value of this instruction the same as MaxClients.

For workerMPM, you need to use this instruction only if you need to set MaxClients and ThreadsPerChild to exceed the default value of 16 child processes. Do not set the value of this directive to more than the number of child processes required by MaxClients and ThreadsPerChild.

Be careful

Apache has a hard limit "ServerLimit 20000" internally at compile time ("ServerLimit 200000" for preforkMPM). You can't go beyond that limit.

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