本文章来给各位同学介绍判断apache的工作模式是prefork模式还是worker模式,测试方法我们只要使用http来操作。
apache常用的工作模式有prefork和worker模式。运行命令httpd -l 或者apache2 -l ,输出的结果中如果含有prefork.c,那就是prefork模式,如果结果中含有worker.c,那就是worker模式。
知道模式之后我们可以在apache的confextrahttpd-mpm.conf 进行编辑了
代码如下 | 复制代码 |
# # 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 "logs/httpd.pid" </IfModule> # # The accept serialization lock file MUST BE STORED ON A LOCAL DISK. # <IfModule !mpm_winnt_module> <IfModule !mpm_netware_module> LockFile "logs/accept.lock" </IfModule> </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 # MaxClients: maximum number of server processes allowed to start # MaxRequestsPerChild: maximum number of requests a server process serves <IfModule mpm_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 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 mpm_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 will process <IfModule mpm_beos_module> StartThreads 10 MaxClients 50 MaxRequestsPerThread 10000 </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 of requests 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 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 <IfModule mpm_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 of requests a server process serves <IfModule mpm_winnt_module> ThreadsPerChild 150 MaxRequestsPerChild 0 </IfModule> |
我们如果是windows系统一般是使用最后面的winnt mpm来操作了。