vim打开httpd.conf，找到 Include conf/extra/httpd-mpm.conf， 去掉注释， vim打开httpd-mpm.conf,找到mpm_perfork_module IfModule mpm_prefork_module StartServers 200 MinSpareServers 100 MaxSpareServers 200 MaxRequestWorkers 800 MaxConnectionsPe
vim打开httpd.conf，找到Include conf/extra/httpd-mpm.conf，去掉注释，
vim打开httpd-mpm.conf,找到mpm_perfork_module
StartServers 200
MinSpareServers 100
MaxSpareServers 200
MaxRequestWorkers 800
MaxConnectionsPerChild 4000