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Core: error logging rate limiting.
With this change, error logging to files can be rate-limited with
the "rate=" parameter. The parameter specifies allowed log messages
rate to a particular file (per worker), in messages per second (m/s).
By default, "rate=1000m/s" is used.
Rate limiting is implemented using the "leaky bucket" method, similarly
to the limit_req module.
Maximum burst size is set to the number of log messages per second
for each severity level, so "error" messages are logged even if the
rate limit is hit by "info" messages (but not vice versa). When the
limit is reached for a particular level, the "too many log messages,
limiting" message is logged at this level.
If debug logging is enabled, either for the particular log file or for
the particular connection, rate limiting is not used.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 25 Jun 2024 22:58:56 +0300 |
parents | 30b6f1ff192b |
children |
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# Copyright (C) Igor Sysoev # Copyright (C) Nginx, Inc. echo "checking for perl" NGX_PERL_VER=`$NGX_PERL -v 2>&1 | grep '^This is perl' 2>&1 \ | sed -e 's/^This is perl, \(.*\)/\1/'` if test -n "$NGX_PERL_VER"; then echo " + perl version: $NGX_PERL_VER" if [ "`$NGX_PERL -e 'use 5.008006; print "OK"'`" != "OK" ]; then echo echo "$0: error: perl 5.8.6 or higher is required" echo exit 1; fi if [ "`$NGX_PERL -MExtUtils::Embed -e 'print "OK"'`" != "OK" ]; then echo echo "$0: error: perl module ExtUtils::Embed is required" echo exit 1; fi NGX_PM_CFLAGS=`$NGX_PERL -MExtUtils::Embed -e ccopts` NGX_PM_LDFLAGS=`$NGX_PERL -MConfig -e 'print $Config{lddlflags}'` NGX_PERL_CFLAGS="$CFLAGS `$NGX_PERL -MExtUtils::Embed -e ccopts`" # gcc 4.1/4.2 warn about unused values in pTHX_ NGX_PERL_CFLAGS=`echo $NGX_PERL_CFLAGS \ | sed -e 's/-Wunused-value/-Wno-unused-value/'` # icc8 warns 'declaration hides parameter "my_perl"' in ENTER and LEAVE NGX_PERL_CFLAGS=`echo $NGX_PERL_CFLAGS \ | sed -e 's/-wd171/-wd171 -wd1599/'` ngx_perl_ldopts=`$NGX_PERL -MExtUtils::Embed -e ldopts` ngx_perl_dlext=`$NGX_PERL -MConfig -e 'print $Config{dlext}'` ngx_perl_libdir="src/http/modules/perl/blib/arch/auto" ngx_perl_module="$ngx_perl_libdir/nginx/nginx.$ngx_perl_dlext" if $NGX_PERL -V:usemultiplicity | grep define > /dev/null; then have=NGX_HAVE_PERL_MULTIPLICITY . auto/have echo " + perl interpreter multiplicity found" fi if $NGX_PERL -V:useithreads | grep undef > /dev/null; then # FreeBSD port wants to link with -pthread non-threaded perl ngx_perl_ldopts=`echo $ngx_perl_ldopts | sed 's/ -pthread//'` fi if [ "$NGX_SYSTEM" = "Darwin" ]; then # OS X system perl wants to link universal binaries ngx_perl_ldopts=`echo $ngx_perl_ldopts \ | sed -e 's/-arch i386//' -e 's/-arch x86_64//'` fi if [ $USE_PERL = YES ]; then CORE_LINK="$CORE_LINK $ngx_perl_ldopts" fi NGX_LIB_PERL="$ngx_perl_ldopts" if test -n "$NGX_PERL_MODULES"; then have=NGX_PERL_MODULES value="(u_char *) \"$NGX_PERL_MODULES\"" . auto/define NGX_PERL_MODULES_MAN=$NGX_PERL_MODULES/man3 fi else echo echo "$0: error: perl 5.8.6 or higher is required" echo exit 1; fi