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Apache HTTP Server - /etc/apache2/conf.d/mpm.conf

Alpine Linux v3.21

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Default Configuration

Alpine Linux v3.21
# # Server-Pool Management (MPM specific) # # # PidFile: The file in which the server should record its process # identification number when it starts. # # Note that this is the default PidFile for most MPMs. # <IfModule !mpm_netware_module> PidFile "/run/apache2/httpd.pid" </IfModule> # # Only one of the below sections will be relevant on your # installed httpd. Use "apachectl -l" to find out the # active mpm. # # prefork MPM # StartServers: number of server processes to start # MinSpareServers: minimum number of server processes which are kept spare # MaxSpareServers: maximum number of server processes which are kept spare # MaxRequestWorkers: maximum number of server processes allowed to start # MaxConnectionsPerChild: maximum number of connections a server process serves # before terminating <IfModule mpm_prefork_module> StartServers 5 MinSpareServers 5 MaxSpareServers 10 MaxRequestWorkers 250 MaxConnectionsPerChild 0 </IfModule> # worker MPM # StartServers: initial number of server processes 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 # MaxRequestWorkers: maximum number of worker threads # MaxConnectionsPerChild: maximum number of connections a server process serves # before terminating <IfModule mpm_worker_module> StartServers 3 MinSpareThreads 75 MaxSpareThreads 250 ThreadsPerChild 25 MaxRequestWorkers 400 MaxConnectionsPerChild 0 </IfModule> # event MPM # StartServers: initial number of server processes 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 # MaxRequestWorkers: maximum number of worker threads # MaxConnectionsPerChild: maximum number of connections a server process serves # before terminating <IfModule mpm_event_module> StartServers 3 MinSpareThreads 75 MaxSpareThreads 250 ThreadsPerChild 25 MaxRequestWorkers 400 MaxConnectionsPerChild 0 </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 # MaxConnectionsPerChild: Maximum number of connections a thread serves. It # is recommended that the default value of 0 be set # for this directive on NetWare. This will allow the # thread to continue to service requests indefinitely. <IfModule mpm_netware_module> ThreadStackSize 65536 StartThreads 250 MinSpareThreads 25 MaxSpareThreads 250 MaxThreads 1000 MaxConnectionsPerChild 0 </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 # MaxConnectionsPerChild: Maximum number of connections per server process <IfModule mpm_mpmt_os2_module> StartServers 2 MinSpareThreads 5 MaxSpareThreads 10 MaxConnectionsPerChild 0 </IfModule> # WinNT MPM # ThreadsPerChild: constant number of worker threads in the server process # MaxConnectionsPerChild: maximum number of connections a server process serves <IfModule mpm_winnt_module> ThreadsPerChild 150 MaxConnectionsPerChild 0 </IfModule> # The maximum number of free Kbytes that every allocator is allowed # to hold without calling free(). In threaded MPMs, every thread has its own # allocator. When not set, or when set to zero, the threshold will be set to # unlimited. <IfModule !mpm_netware_module> MaxMemFree 2048 </IfModule> <IfModule mpm_netware_module> MaxMemFree 100 </IfModule>

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