Six modes of Apache

[[email protected]] #pwd

/application/apache/conf

[[email protected]] #cat extra/httpd-mpm.conf

#

# server-poolmanagement (MPM specific)

#

#

# Pidfile:thefile in which the server should record its process

# Identificationnumber when it starts.

#

# Note that thisis the default pidfile for most MPMs.

#

<IfModule!mpm_netware_module>

Pidfile "Logs/httpd.pid"

</IfModule>

#

# The Acceptserialization lock file must is STORED on A LOCAL DISK.

#

<IfModule!mpm_winnt_module>

<IfModule!mpm_netware_module>

LockFile "Logs/accept.lock"

</IfModule>

</IfModule>

#

# Only one of Thebelow sections'll be relevant on your

# installedhttpd. Use "Apachectl-l" Tofind out the

# ACTIVEMPM.

#

# Prefork MPM

# Startservers:number of server processes to start

# minspareservers:minimum number of server processes which is kept spare

# maxspareservers:maximum number of server processes which is kept spare

# maxclients:maximum number of server processes allowed to start

#MaxRequestsPerChild: Maximum number of requests a server process serves

<IfModulempm_prefork_module>

Startservers 5

Minspareservers 5

Maxspareservers 10

MaxClients 150

Maxrequestsperchild 0

</IfModule>

# worker MPM

# startservers:initial number of server processes to start

# maxclients:maximum number of simultaneous client connections

# minsparethreads:minimum number of worker threads which is kept spare

# maxsparethreads:maximum number of worker threads which is kept spare

# threadsperchild:constant number of worker threads in each server process

#MaxRequestsPerChild: Maximum number of requests a server process serves

<IfModulempm_worker_module>

Startservers 2

MaxClients 150

Minsparethreads 25

Maxsparethreads 75

Threadsperchild 25

Maxrequestsperchild 0

</IfModule>

# BeOS MPM

# startthreads:how Many threads do we initially spawn?

# Maxclients:max Number of threads we can have (1 thread== 1 client)

#MaxRequestsPerThread: Maximum number of requests each thread would process

<IfModulempm_beos_module>

Startthreads 10

MaxClients 50

MaxRequestsPerThread10000

</IfModule>

# NetWare MPM

# Threadstacksize:stack Size allocated for each worker thread

# Startthreads:number of worker threads launched at server startup

# minsparethreads:minimum Number of idle threads, to handle request spikes

# maxsparethreads:maximum Number of idle threads

# maxthreads:maximum Number of worker threads alive at the same time

#MaxRequestsPerChild: Maximum number ofrequests a thread serves. It is

# recommended that thedefault value of 0 is set for this

# directive Onnetware. This would allow the thread to

# continue to servicerequests indefinitely.

<IfModulempm_netware_module>

Threadstacksize 65536

Startthreads 250

Minsparethreads 25

Maxsparethreads 250

MaxThreads 1000

Maxrequestsperchild 0

Maxmemfree 100

</IfModule>

# OS/2 MPM

# Startservers:number of server processes to maintain

# minsparethreads:minimum number of idle threads per process,

# to handle request spikes

# maxsparethreads:maximum number of idle threads per process

#MaxRequestsPerChild: Maximum number of connections per server process

<IfModulempm_mpmt_os2_module>

Startservers 2

Minsparethreads 5

Maxsparethreads 10

Maxrequestsperchild 0

</IfModule>

# WinNT MPM

# threadsperchild:constant number of worker threads in the server process

#MaxRequestsPerChild: Maximum number ofrequests a server process serves

<IfModulempm_winnt_module>

Threadsperchild 150

Maxrequestsperchild 0

</IfModule>

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Six modes of Apache