Mercurial > hg > nginx-quic
annotate auto/configure @ 8398:82e174e47663
Changed keepalive_requests default to 1000 (ticket #2155).
It turns out no browsers implement HTTP/2 GOAWAY handling properly, and
large enough number of resources on a page results in failures to load
some resources. In particular, Chrome seems to experience errors if
loading of all resources requires more than 1 connection (while it
is usually able to retry requests at least once, even with 2 connections
there are occasional failures for some reason), Safari if loading requires
more than 3 connections, and Firefox if loading requires more than 10
connections (can be configured with network.http.request.max-attempts,
defaults to 10).
It does not seem to be possible to resolve this on nginx side, even strict
limiting of maximum concurrency does not help, and loading issues seems to
be triggered by merely queueing of a request for a particular connection.
The only available mitigation seems to use higher keepalive_requests value.
The new default is 1000 and matches previously used default for
http2_max_requests. It is expected to be enough for 99.98% of the pages
(https://httparchive.org/reports/state-of-the-web?start=latest#reqTotal)
even in Chrome.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 08 Apr 2021 00:16:30 +0300 |
parents | f18db38a9826 |
children | 79c04253bc43 |
rev | line source |
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1 #!/bin/sh |
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3 # Copyright (C) Igor Sysoev |
4412 | 4 # Copyright (C) Nginx, Inc. |
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5 |
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6 |
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7 LC_ALL=C |
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8 export LC_ALL |
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10 . auto/options |
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11 . auto/init |
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12 . auto/sources |
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14 test -d $NGX_OBJS || mkdir -p $NGX_OBJS |
455 | 15 |
16 echo > $NGX_AUTO_HEADERS_H | |
467 | 17 echo > $NGX_AUTOCONF_ERR |
18 | |
945 | 19 echo "#define NGX_CONFIGURE \"$NGX_CONFIGURE\"" > $NGX_AUTO_CONFIG_H |
20 | |
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21 |
469 | 22 if [ $NGX_DEBUG = YES ]; then |
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23 have=NGX_DEBUG . auto/have |
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24 fi |
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25 |
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26 |
563 | 27 if test -z "$NGX_PLATFORM"; then |
28 echo "checking for OS" | |
29 | |
30 NGX_SYSTEM=`uname -s 2>/dev/null` | |
31 NGX_RELEASE=`uname -r 2>/dev/null` | |
32 NGX_MACHINE=`uname -m 2>/dev/null` | |
33 | |
34 echo " + $NGX_SYSTEM $NGX_RELEASE $NGX_MACHINE" | |
35 | |
36 NGX_PLATFORM="$NGX_SYSTEM:$NGX_RELEASE:$NGX_MACHINE"; | |
37 | |
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38 case "$NGX_SYSTEM" in |
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39 MINGW32_* | MINGW64_* | MSYS_*) |
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40 NGX_PLATFORM=win32 |
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41 ;; |
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42 esac |
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43 |
563 | 44 else |
45 echo "building for $NGX_PLATFORM" | |
946 | 46 NGX_SYSTEM=$NGX_PLATFORM |
563 | 47 fi |
48 | |
946 | 49 . auto/cc/conf |
563 | 50 |
469 | 51 if [ "$NGX_PLATFORM" != win32 ]; then |
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52 . auto/headers |
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53 fi |
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54 |
561 | 55 . auto/os/conf |
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56 |
469 | 57 if [ "$NGX_PLATFORM" != win32 ]; then |
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58 . auto/unix |
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59 fi |
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60 |
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61 . auto/threads |
457 | 62 . auto/modules |
63 . auto/lib/conf | |
64 | |
2758 | 65 case ".$NGX_PREFIX" in |
66 .) | |
67 NGX_PREFIX=${NGX_PREFIX:-/usr/local/nginx} | |
68 have=NGX_PREFIX value="\"$NGX_PREFIX/\"" . auto/define | |
69 ;; | |
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70 |
2758 | 71 .!) |
72 NGX_PREFIX= | |
73 ;; | |
74 | |
75 *) | |
76 have=NGX_PREFIX value="\"$NGX_PREFIX/\"" . auto/define | |
77 ;; | |
78 esac | |
79 | |
80 if [ ".$NGX_CONF_PREFIX" != "." ]; then | |
81 have=NGX_CONF_PREFIX value="\"$NGX_CONF_PREFIX/\"" . auto/define | |
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82 fi |
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83 |
469 | 84 have=NGX_SBIN_PATH value="\"$NGX_SBIN_PATH\"" . auto/define |
85 have=NGX_CONF_PATH value="\"$NGX_CONF_PATH\"" . auto/define | |
86 have=NGX_PID_PATH value="\"$NGX_PID_PATH\"" . auto/define | |
611 | 87 have=NGX_LOCK_PATH value="\"$NGX_LOCK_PATH\"" . auto/define |
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88 have=NGX_ERROR_LOG_PATH value="\"$NGX_ERROR_LOG_PATH\"" . auto/define |
479 | 89 |
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90 if [ ".$NGX_ERROR_LOG_PATH" = "." ]; then |
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91 have=NGX_ERROR_LOG_STDERR . auto/have |
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92 fi |
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93 |
469 | 94 have=NGX_HTTP_LOG_PATH value="\"$NGX_HTTP_LOG_PATH\"" . auto/define |
479 | 95 have=NGX_HTTP_CLIENT_TEMP_PATH value="\"$NGX_HTTP_CLIENT_TEMP_PATH\"" |
96 . auto/define | |
97 have=NGX_HTTP_PROXY_TEMP_PATH value="\"$NGX_HTTP_PROXY_TEMP_PATH\"" | |
98 . auto/define | |
99 have=NGX_HTTP_FASTCGI_TEMP_PATH value="\"$NGX_HTTP_FASTCGI_TEMP_PATH\"" | |
100 . auto/define | |
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101 have=NGX_HTTP_UWSGI_TEMP_PATH value="\"$NGX_HTTP_UWSGI_TEMP_PATH\"" |
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102 . auto/define |
3637 | 103 have=NGX_HTTP_SCGI_TEMP_PATH value="\"$NGX_HTTP_SCGI_TEMP_PATH\"" |
104 . auto/define | |
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105 |
2758 | 106 . auto/make |
107 . auto/lib/make | |
108 . auto/install | |
109 | |
110 # STUB | |
111 . auto/stubs | |
112 | |
455 | 113 have=NGX_USER value="\"$NGX_USER\"" . auto/define |
114 have=NGX_GROUP value="\"$NGX_GROUP\"" . auto/define | |
115 | |
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116 if [ ".$NGX_BUILD" != "." ]; then |
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117 have=NGX_BUILD value="\"$NGX_BUILD\"" . auto/define |
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118 fi |
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119 |
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120 . auto/summary |