Mercurial > hg > ngx_http_upstream_keepalive

annotate t/memcached-keepalive.t @ 20:8d8eaaf07663

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Keepalive: tests cleanup.
author Maxim Dounin <mdounin@mdounin.ru>
date Fri, 10 Sep 2010 13:39:15 +0400
parents 2ce9d8a1ca93
children 2ee28064a04a
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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 plan(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(16)
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24 ->write_file_expand('nginx.conf', <<'EOF');
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25
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26 %%TEST_GLOBALS%%
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27
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28 master_process off;
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29 daemon off;
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30
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31 events {
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32 }
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33
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34 http {
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35 %%TEST_GLOBALS_HTTP%%
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36
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37 upstream memd {
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38 server 127.0.0.1:8081;
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39 keepalive 1;
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40 }
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41
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42 upstream memd2 {
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43 server 127.0.0.1:8081;
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44 server 127.0.0.1:8082;
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45 keepalive 1 single;
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46 }
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47
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48 upstream memd3 {
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49 server 127.0.0.1:8081;
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50 server 127.0.0.1:8082;
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51 keepalive 1;
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52 }
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53
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54 upstream memd4 {
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55 server 127.0.0.1:8081;
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56 server 127.0.0.1:8082;
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57 keepalive 10;
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58 }
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59
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60 server {
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61 listen 127.0.0.1:8080;
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62 server_name localhost;
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63
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64 location / {
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65 set $memcached_key $uri;
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66 memcached_pass memd;
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67 }
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68
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69 location /next {
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70 set $memcached_key $uri;
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71 memcached_next_upstream not_found;
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72 memcached_pass memd;
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73 }
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74
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75 location /memd2 {
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76 set $memcached_key "/";
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77 memcached_pass memd2;
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78 }
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79
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80 location /memd3 {
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81 set $memcached_key "/";
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82 memcached_pass memd3;
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83 }
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84
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85 location /memd4 {
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86 set $memcached_key "/";
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87 memcached_pass memd4;
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88 }
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89 }
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90 }
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91
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92 EOF
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93
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94 my $memhelp = `memcached -h`;
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95 my @memopts1 = ();
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96 my @memopts2 = ();
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97
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98 if ($memhelp =~ /repcached/) {
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99 # repcached patches adds additional listen socket memcached
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100 # that should be different too
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101
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102 push @memopts1, '-X', '8091';
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103 push @memopts2, '-X', '8092';
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104 }
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105 if ($memhelp =~ /-U/) {
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106 # UDP ports no longer off by default in memcached 1.2.7+
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107
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108 push @memopts1, '-U', '0';
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109 push @memopts2, '-U', '0';
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110 }
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111
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112 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8081', @memopts1);
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113 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8082', @memopts2);
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114
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115 $t->run();
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116
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117 $t->waitforsocket('127.0.0.1:8081')
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118 or die "Unable to start memcached";
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119 $t->waitforsocket('127.0.0.1:8082')
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120 or die "Unable to start second memcached";
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121
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122 ###############################################################################
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123
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124 my $memd1 = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]);
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125 my $memd2 = Cache::Memcached->new(servers => [ '127.0.0.1:8082' ]);
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126
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127 $memd1->set('/', 'SEE-THIS');
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128 $memd2->set('/', 'SEE-THIS');
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129 $memd1->set('/big', 'X' x 1000000);
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130
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131 my $total = $memd1->stats()->{total}->{total_connections};
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132
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133 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request');
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134 like(http_get('/notfound'), qr/404/, 'keepalive memcached not found');
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135 like(http_get('/next'), qr/404/,
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136 'keepalive not found with memcached_next_upstream');
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137 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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138 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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139 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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140
6
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141 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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142 'only one connection used');
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143
11
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144 # Since nginx doesn't read all data from connection in some situations (head
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145 # requests, post_action, errors writing to client) we have to close such
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146 # connections. Check if we really do close them.
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147
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148 $total = $memd1->stats()->{total}->{total_connections};
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149
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150 unlike(http_head('/'), qr/SEE-THIS/, 'head request');
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151 like(http_get('/'), qr/SEE-THIS/, 'get after head');
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152
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153 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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154 'head request closes connection');
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155
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156 $total = $memd1->stats()->{total}->{total_connections};
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157
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158 unlike(http_head('/big'), qr/XXX/, 'big head');
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159 like(http_get('/'), qr/SEE-THIS/, 'get after big head');
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160
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161 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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162 'big head request closes connection');
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163
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164 # two backends with 'single' option - should establish only one connection
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165
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166 $total = $memd1->stats()->{total}->{total_connections} +
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167 $memd2->stats()->{total}->{total_connections};
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168
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169 http_get('/memd2');
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170 http_get('/memd2');
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171 http_get('/memd2');
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172
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173 is($memd1->stats()->{total}->{total_connections} +
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174 $memd2->stats()->{total}->{total_connections}, $total + 1,
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175 'only one connection with two backends and single');
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176
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177 $total = $memd1->stats()->{total}->{total_connections} +
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178 $memd2->stats()->{total}->{total_connections};
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179
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180 # two backends without 'single' option and maximum number of cached
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181 # connections set to 1 - should establish new connection on each request
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182
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183 http_get('/memd3');
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184 http_get('/memd3');
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185 http_get('/memd3');
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186
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187 is($memd1->stats()->{total}->{total_connections} +
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188 $memd2->stats()->{total}->{total_connections}, $total + 3,
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189 '3 connections should be established');
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190
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191 # two backends without 'single' option and maximum number of cached
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192 # connections set to 10 - should establish only two connections (1 per backend)
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193
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194 $total = $memd1->stats()->{total}->{total_connections} +
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195 $memd2->stats()->{total}->{total_connections};
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196
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197 http_get('/memd4');
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198 http_get('/memd4');
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199 http_get('/memd4');
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200
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201 is($memd1->stats()->{total}->{total_connections} +
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202 $memd2->stats()->{total}->{total_connections}, $total + 2,
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203 'connection per backend');
1
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204
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205 ###############################################################################