Mercurial > hg > ngx_http_upstream_keepalive
view t/memcached-keepalive.t @ 6:bef88ba0b378
Keepalive: distinguish between upstream servers by default.
Option 'single' may be used if single pool of connections desired for some
reason.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Fri, 24 Oct 2008 02:03:39 +0400 |
parents | ca955a7f651b |
children | 15530a464dba |
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#!/usr/bin/perl # (C) Maxim Dounin # Test for memcached with keepalive. ############################################################################### use warnings; use strict; use Test::More; use Test::Nginx; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; eval { require Cache::Memcached; }; plain(skip_all => 'Cache::Memcached not installed') if $@; my $t = Test::Nginx->new()->has('rewrite')->has_daemon('memcached')->plan(10) ->write_file_expand('nginx.conf', <<'EOF'); master_process off; daemon off; events { worker_connections 1024; } http { access_log off; client_body_temp_path %%TESTDIR%%/client_body_temp; fastcgi_temp_path %%TESTDIR%%/fastcgi_temp; proxy_temp_path %%TESTDIR%%/proxy_temp; upstream memd { server 127.0.0.1:8081; keepalive 1; } upstream memd2 { server 127.0.0.1:8081; server 127.0.0.1:8082; keepalive 1 single; } upstream memd3 { server 127.0.0.1:8081; server 127.0.0.1:8082; keepalive 1; } upstream memd4 { server 127.0.0.1:8081; server 127.0.0.1:8082; keepalive 10; } server { listen localhost:8080; server_name localhost; location / { set $memcached_key $uri; memcached_pass memd; } location /next { set $memcached_key $uri; memcached_next_upstream not_found; memcached_pass memd; } location /memd2 { set $memcached_key "/"; memcached_pass memd2; } location /memd3 { set $memcached_key "/"; memcached_pass memd3; } location /memd4 { set $memcached_key "/"; memcached_pass memd4; } } } EOF $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8081'); $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8082'); $t->run(); ############################################################################### my $memd1 = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]); my $memd2 = Cache::Memcached->new(servers => [ '127.0.0.1:8082' ]); $memd1->set('/', 'SEE-THIS'); $memd2->set('/', 'SEE-THIS'); my $total = $memd1->stats()->{total}->{total_connections}; like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request'); like(http_get('/notfound'), qr/404/, 'keepalive memcached not found'); like(http_get('/next'), qr/404/, 'keepalive not found with memcached_next_upstream'); like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again'); like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again'); like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again'); is($memd1->stats()->{total}->{total_connections}, $total + 1, 'only one connection used'); # two backends with 'single' option - should establish only one connection $total = $memd1->stats()->{total}->{total_connections} + $memd2->stats()->{total}->{total_connections}; http_get('/memd2'); http_get('/memd2'); http_get('/memd2'); is($memd1->stats()->{total}->{total_connections} + $memd2->stats()->{total}->{total_connections}, $total + 1, 'only one connection with two backends and single'); $total = $memd1->stats()->{total}->{total_connections} + $memd2->stats()->{total}->{total_connections}; # two backends without 'single' option and maximum number of cached # connections set to 1 - should establish new connection on each request http_get('/memd3'); http_get('/memd3'); http_get('/memd3'); is($memd1->stats()->{total}->{total_connections} + $memd2->stats()->{total}->{total_connections}, $total + 3, '3 connections should be established'); # two backends without 'single' option and maximum number of cached # connections set to 10 - should establish only two connections (1 per backend) $total = $memd1->stats()->{total}->{total_connections} + $memd2->stats()->{total}->{total_connections}; http_get('/memd4'); http_get('/memd4'); http_get('/memd4'); is($memd1->stats()->{total}->{total_connections} + $memd2->stats()->{total}->{total_connections}, $total + 2, 'connection per backend'); ###############################################################################