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Core: reusing connections in advance. Reworked connections reuse, so closing connections is attempted in advance, as long as number of free connections is less than 1/16 of worker connections configured. This ensures that new connections can be handled even if closing a reusable connection requires some time, for example, for a lingering close (ticket #2017). The 1/16 ratio is selected to be smaller than 1/8 used for disabling accept when working with accept mutex, so nginx will try to balance new connections to different workers first, and will start reusing connections only if this won't help.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 10 Aug 2020 18:53:07 +0300
parents cc7ff76df927
children
line wrap: on
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# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


if [ $USE_PCRE = YES -o $PCRE != NONE ]; then
    . auto/lib/pcre/conf

else
    if [ $USE_PCRE = DISABLED -a $HTTP = YES -a $HTTP_REWRITE = YES ]; then

cat << END

$0: error: the HTTP rewrite module requires the PCRE library.
You can either disable the module by using --without-http_rewrite_module
option or you have to enable the PCRE support.

END
        exit 1
    fi
fi


if [ $USE_OPENSSL = YES ]; then
    . auto/lib/openssl/conf
fi

if [ $USE_ZLIB = YES ]; then
    . auto/lib/zlib/conf
fi

if [ $USE_LIBXSLT != NO ]; then
    . auto/lib/libxslt/conf
fi

if [ $USE_LIBGD != NO ]; then
    . auto/lib/libgd/conf
fi

if [ $USE_PERL != NO ]; then
    . auto/lib/perl/conf
fi

if [ $USE_GEOIP != NO ]; then
    . auto/lib/geoip/conf
fi

if [ $NGX_GOOGLE_PERFTOOLS = YES ]; then
    . auto/lib/google-perftools/conf
fi

if [ $NGX_LIBATOMIC != NO ]; then
    . auto/lib/libatomic/conf
fi