Mercurial > hg > ngx_http_upstream_keepalive

annotate t/memcached-keepalive.t @ 1:ca955a7f651b

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Keepalive: common cache for all backends. Known limitations: Connections cached to the upstream pool as a whole, not to individual backend servers, and therefore load distribution may be less than ideal (especially under light load).
author Maxim Dounin <mdounin@mdounin.ru>
date Wed, 22 Oct 2008 03:52:29 +0400
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children bef88ba0b378
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ca955a7f651b Keepalive: common cache for all backends.
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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(7)
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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;
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43 }
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44
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45 server {
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46 listen localhost:8080;
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47 server_name localhost;
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48
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49 location / {
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50 set $memcached_key $uri;
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51 memcached_pass memd;
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52 }
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53
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54 location /next {
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55 set $memcached_key $uri;
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56 memcached_next_upstream not_found;
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57 memcached_pass memd;
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58 }
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59 }
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60 }
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61
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62 EOF
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63
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64 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8081');
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65 $t->run();
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66
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67 ###############################################################################
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68
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69 my $memd = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]);
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70 $memd->set('/', 'SEE-THIS');
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71
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72 my $total = $memd->stats()->{total}->{total_connections};
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73
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74 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request');
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75 like(http_get('/notfound'), qr/404/, 'keepalive memcached not found');
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76 like(http_get('/next'), qr/404/,
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77 'keepalive not found with memcached_next_upstream');
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78 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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79 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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80 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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81
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82 is($memd->stats()->{total}->{total_connections}, $total + 1, 'keepalive used');
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83
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84 ###############################################################################