Mercurial > hg > ngx_http_upstream_keepalive

annotate t/memcached-keepalive.t @ 19:2ce9d8a1ca93

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Keepalive: fix tests for memcached 1.2.7+. UDP ports are on by default in 1.2.7+, so we have to explicitly switch them off to avoid conflicts when running two memcached servers. Do it conditionally for now to keep compatibility with old memcached servers without UDP support. Not sure it's really needed since UDP support is here since memcached 1.2.1, probably should be done unconditionally instead.
author Maxim Dounin <mdounin@mdounin.ru>
date Fri, 28 Aug 2009 20:45:15 +0400
parents 181a487581b7
children 8d8eaaf07663
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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 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 my $memhelp = `memcached -h`;
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98 my @memopts1 = ();
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99 my @memopts2 = ();
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100
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101 if ($memhelp =~ /repcached/) {
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102 # repcached patches adds additional listen socket memcached
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103 # that should be different too
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104
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105 push @memopts1, '-X', '8091';
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106 push @memopts2, '-X', '8092';
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107 }
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108 if ($memhelp =~ /-U/) {
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109 # UDP ports no longer off by default in memcached 1.2.7+
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110
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111 push @memopts1, '-U', '0';
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112 push @memopts2, '-U', '0';
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113 }
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114
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115 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8081', @memopts1);
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116 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8082', @memopts2);
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117
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118 $t->run();
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119
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120 $t->waitforsocket('127.0.0.1:8081')
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121 or die "Unable to start memcached";
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122 $t->waitforsocket('127.0.0.1:8082')
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123 or die "Unable to start second memcached";
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124
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125 ###############################################################################
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126
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127 my $memd1 = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]);
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128 my $memd2 = Cache::Memcached->new(servers => [ '127.0.0.1:8082' ]);
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129
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130 $memd1->set('/', 'SEE-THIS');
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131 $memd2->set('/', 'SEE-THIS');
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132 $memd1->set('/big', 'X' x 1000000);
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133
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134 my $total = $memd1->stats()->{total}->{total_connections};
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135
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136 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request');
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137 like(http_get('/notfound'), qr/404/, 'keepalive memcached not found');
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138 like(http_get('/next'), qr/404/,
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139 'keepalive not found with memcached_next_upstream');
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140 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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141 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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142 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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143
6
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144 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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145 'only one connection used');
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146
11
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147 # Since nginx doesn't read all data from connection in some situations (head
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148 # requests, post_action, errors writing to client) we have to close such
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149 # connections. Check if we really do close them.
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150
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151 $total = $memd1->stats()->{total}->{total_connections};
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152
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153 unlike(http_head('/'), qr/SEE-THIS/, 'head request');
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154 like(http_get('/'), qr/SEE-THIS/, 'get after head');
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155
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156 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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157 'head request closes connection');
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158
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159 $total = $memd1->stats()->{total}->{total_connections};
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160
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161 unlike(http_head('/big'), qr/XXX/, 'big head');
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162 like(http_get('/'), qr/SEE-THIS/, 'get after big head');
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163
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164 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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165 'big head request closes connection');
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166
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167 # two backends with 'single' option - should establish only one connection
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168
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169 $total = $memd1->stats()->{total}->{total_connections} +
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170 $memd2->stats()->{total}->{total_connections};
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171
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172 http_get('/memd2');
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173 http_get('/memd2');
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174 http_get('/memd2');
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175
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176 is($memd1->stats()->{total}->{total_connections} +
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177 $memd2->stats()->{total}->{total_connections}, $total + 1,
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178 'only one connection with two backends and single');
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179
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180 $total = $memd1->stats()->{total}->{total_connections} +
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181 $memd2->stats()->{total}->{total_connections};
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182
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183 # two backends without 'single' option and maximum number of cached
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184 # connections set to 1 - should establish new connection on each request
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185
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186 http_get('/memd3');
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187 http_get('/memd3');
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188 http_get('/memd3');
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189
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190 is($memd1->stats()->{total}->{total_connections} +
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191 $memd2->stats()->{total}->{total_connections}, $total + 3,
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192 '3 connections should be established');
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193
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194 # two backends without 'single' option and maximum number of cached
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195 # connections set to 10 - should establish only two connections (1 per backend)
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196
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197 $total = $memd1->stats()->{total}->{total_connections} +
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198 $memd2->stats()->{total}->{total_connections};
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199
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200 http_get('/memd4');
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201 http_get('/memd4');
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202 http_get('/memd4');
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203
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204 is($memd1->stats()->{total}->{total_connections} +
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205 $memd2->stats()->{total}->{total_connections}, $total + 2,
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206 'connection per backend');
1
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207
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208 ###############################################################################