Mercurial > hg > ngx_http_upstream_keepalive

annotate t/memcached-keepalive.t @ 8:565939797f5c 0.1

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Keepalive: fix connection closing and avoid for loop there. 1. Adding cache item to free queue was missed. 2. Loop over all cached connections isn't optimal, replace it with simple queue remove at cost of storing config pointer in each cache item.
author Maxim Dounin <mdounin@mdounin.ru>
date Fri, 24 Oct 2008 15:51:17 +0400
parents bef88ba0b378
children 15530a464dba
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/perl
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2
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3 # (C) Maxim Dounin
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4
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5 # Test for memcached with keepalive.
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6
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7 ###############################################################################
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8
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9 use warnings;
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10 use strict;
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11
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12 use Test::More;
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13 use Test::Nginx;
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14
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15 ###############################################################################
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16
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17 select STDERR; $| = 1;
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18 select STDOUT; $| = 1;
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19
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20 eval { require Cache::Memcached; };
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21 plain(skip_all => 'Cache::Memcached not installed') if $@;
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22
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23 my $t = Test::Nginx->new()->has('rewrite')->has_daemon('memcached')->plan(10)
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24 ->write_file_expand('nginx.conf', <<'EOF');
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25
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26 master_process off;
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27 daemon off;
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28
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29 events {
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30 worker_connections 1024;
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31 }
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32
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33 http {
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34 access_log off;
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35
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36 client_body_temp_path %%TESTDIR%%/client_body_temp;
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37 fastcgi_temp_path %%TESTDIR%%/fastcgi_temp;
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38 proxy_temp_path %%TESTDIR%%/proxy_temp;
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39
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40 upstream memd {
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41 server 127.0.0.1:8081;
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42 keepalive 1;
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43 }
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44
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45 upstream memd2 {
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46 server 127.0.0.1:8081;
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47 server 127.0.0.1:8082;
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48 keepalive 1 single;
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49 }
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50
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51 upstream memd3 {
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52 server 127.0.0.1:8081;
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53 server 127.0.0.1:8082;
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54 keepalive 1;
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55 }
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56
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57 upstream memd4 {
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58 server 127.0.0.1:8081;
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59 server 127.0.0.1:8082;
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60 keepalive 10;
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61 }
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62
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63 server {
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64 listen localhost:8080;
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65 server_name localhost;
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66
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67 location / {
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68 set $memcached_key $uri;
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69 memcached_pass memd;
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70 }
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71
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72 location /next {
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73 set $memcached_key $uri;
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74 memcached_next_upstream not_found;
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75 memcached_pass memd;
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76 }
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77
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78 location /memd2 {
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79 set $memcached_key "/";
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80 memcached_pass memd2;
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81 }
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82
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83 location /memd3 {
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84 set $memcached_key "/";
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85 memcached_pass memd3;
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86 }
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87
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88 location /memd4 {
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89 set $memcached_key "/";
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90 memcached_pass memd4;
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91 }
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92 }
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93 }
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94
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95 EOF
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96
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97 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8081');
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98 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8082');
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99 $t->run();
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100
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101 ###############################################################################
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102
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103 my $memd1 = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]);
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104 my $memd2 = Cache::Memcached->new(servers => [ '127.0.0.1:8082' ]);
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105
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106 $memd1->set('/', 'SEE-THIS');
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107 $memd2->set('/', 'SEE-THIS');
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108
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109 my $total = $memd1->stats()->{total}->{total_connections};
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110
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111 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request');
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112 like(http_get('/notfound'), qr/404/, 'keepalive memcached not found');
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113 like(http_get('/next'), qr/404/,
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114 'keepalive not found with memcached_next_upstream');
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115 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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116 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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117 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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118
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119 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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120 'only one connection used');
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121
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122 # two backends with 'single' option - should establish only one connection
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123
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124 $total = $memd1->stats()->{total}->{total_connections} +
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125 $memd2->stats()->{total}->{total_connections};
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126
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127 http_get('/memd2');
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128 http_get('/memd2');
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129 http_get('/memd2');
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130
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131 is($memd1->stats()->{total}->{total_connections} +
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132 $memd2->stats()->{total}->{total_connections}, $total + 1,
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133 'only one connection with two backends and single');
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134
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135 $total = $memd1->stats()->{total}->{total_connections} +
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136 $memd2->stats()->{total}->{total_connections};
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137
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138 # two backends without 'single' option and maximum number of cached
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139 # connections set to 1 - should establish new connection on each request
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140
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141 http_get('/memd3');
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142 http_get('/memd3');
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143 http_get('/memd3');
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Maxim Dounin <mdounin@mdounin.ru>
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144
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145 is($memd1->stats()->{total}->{total_connections} +
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146 $memd2->stats()->{total}->{total_connections}, $total + 3,
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147 '3 connections should be established');
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148
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149 # two backends without 'single' option and maximum number of cached
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150 # connections set to 10 - should establish only two connections (1 per backend)
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151
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152 $total = $memd1->stats()->{total}->{total_connections} +
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153 $memd2->stats()->{total}->{total_connections};
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154
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155 http_get('/memd4');
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Maxim Dounin <mdounin@mdounin.ru>
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156 http_get('/memd4');
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Maxim Dounin <mdounin@mdounin.ru>
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157 http_get('/memd4');
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Maxim Dounin <mdounin@mdounin.ru>
parents: 1
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158
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159 is($memd1->stats()->{total}->{total_connections} +
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160 $memd2->stats()->{total}->{total_connections}, $total + 2,
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Maxim Dounin <mdounin@mdounin.ru>
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161 'connection per backend');
1
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Maxim Dounin <mdounin@mdounin.ru>
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162
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163 ###############################################################################