Connection processing methods
百度 不活动易肥胖。nginx supports a variety of connection processing methods. The availability of a particular method depends on the platform used. On platforms that support several methods nginx will normally select the most efficient method automatically. However, if needed, a connection processing method can be selected explicitly with the use directive.
The following connection processing methods are supported:
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select?— standard method. The supporting module is built automatically on platforms that lack more efficient methods. The--with-select_moduleand--without-select_moduleconfiguration parameters can be used to forcibly enable or disable the build of this module. -
poll?— standard method. The supporting module is built automatically on platforms that lack more efficient methods. The--with-poll_moduleand--without-poll_moduleconfiguration parameters can be used to forcibly enable or disable the build of this module. -
kqueue?— efficient method used on FreeBSD 4.1+, OpenBSD 2.9+, NetBSD 2.0, and macOS. -
epoll?— efficient method used on Linux 2.6+.The
EPOLLRDHUP(Linux 2.6.17, glibc 2.8) andEPOLLEXCLUSIVE(Linux 4.5, glibc 2.24) flags are supported since 1.11.3.Some older distributions like SuSE?8.2 provide patches that add epoll support to 2.4 kernels.
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/dev/poll?— efficient method used on Solaris 7 11/99+, HP/UX 11.22+ (eventport), IRIX 6.5.15+, and Tru64 UNIX 5.1A+. -
eventport?— event ports, method used on Solaris 10+ (due to known issues, it is recommended using the/dev/pollmethod instead).