Apache working mode Prefork process mode and worker threading mode parameter details and recommended settings

An Apache mode of operation:

1.prefork process mode:

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Prefork Mode parameter Description:
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prefork mode recommended settings:

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Two.Apache worker mode :

1. Parameters

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Three. Prefork and worker mode comparisons:

1.prefork mode is stable . But it consumes more memory and resources. process to provide services. View: Ps-ef|grep httd|wc-l

2.worker mode is suitable for high-concurrency high-traffic HTTP services because it uses child processes to generate threads to handle requests. Disadvantage, a thread is dead, and all child threads under the parent process are hung. Stability is inferior to prefork mode, but consumes less resources than prefork mode. threads provide services . Without serverlimit, the default number of sub-processes is 16. View number of child threads: Pstree-a|grep http

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Apache working mode Prefork process mode and worker threading mode parameter details and recommended settings