MPM prefork(Apache):チーニング編

 1)/etc/httpd/conf.d/mpm.confを作成する

<IfModule mpm_prefork_module>

StartServers 400

MinSpareServers 400

MaxSpareServers 400

ServerLimit 400

MaxClients 400

MaxRequestsPerChild 80

</IfModule>

2)00-mpm.confの編集を行う。

# Select the MPM module which should be used by uncommenting exactly

# one of the following LoadModule lines. See the httpd.conf(5) man

# page for more information on changing the MPM.

# prefork MPM: Implements a non-threaded, pre-forking web server

# See: http://httpd.apache.org/docs/2.4/mod/prefork.html

#

# NOTE: If enabling prefork, the httpd_graceful_shutdown SELinux

# boolean should be enabled, to allow graceful stop/shutdown.

#

## mpm_prefork ##

LoadModule mpm_prefork_module modules/mod_mpm_prefork.so

# worker MPM: Multi-Processing Module implementing a hybrid

# multi-threaded multi-process web server

# See: http://httpd.apache.org/docs/2.4/mod/worker.html

#

#LoadModule mpm_worker_module modules/mod_mpm_worker.so

# event MPM: A variant of the worker MPM with the goal of consuming

# threads only for connections with active processing

# See: http://httpd.apache.org/docs/2.4/mod/event.html

#

## Default setting ##

#LoadModule mpm_event_module modules/mod_mpm_event.so

3)httpd.confに追記

KeepAlive On

MaxKeepAliveRequests 80

KeepAliveTimeout 120

4)apache のサービスを再起動