<IfModule prefork.c>
StartServers         5
MinSpareServers      5
MaxSpareServers     10
MaxClients          20
MaxRequestsPerChild  0
</IfModule>

# pthread MPM
# StartServers ......... initial  number of server processes to start
# MaxClients ........... maximum  number of server processes allowed to start
# MinSpareThreads ...... minimum  number of worker threads which are kept spare
# MaxSpareThreads ...... maximum  number of worker threads which are kept spare
# ThreadsPerChild ...... constant number of worker threads in each server process
# MaxRequestsPerChild .. maximum  number of requests a server process serves
<IfModule worker.c>
StartServers         2
MaxClients         150
MinSpareThreads     25
MaxSpareThreads     75
ThreadsPerChild     25
MaxRequestsPerChild  0
</IfModule>