Mercurial > hg > ngx_http_upstream_keepalive
diff 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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--- a/t/memcached-keepalive.t +++ b/t/memcached-keepalive.t @@ -20,7 +20,7 @@ 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(7) +my $t = Test::Nginx->new()->has('rewrite')->has_daemon('memcached')->plan(10) ->write_file_expand('nginx.conf', <<'EOF'); master_process off; @@ -39,7 +39,25 @@ http { upstream memd { server 127.0.0.1:8081; - keepalive; + 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 { @@ -56,20 +74,39 @@ http { 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 $memd = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]); -$memd->set('/', 'SEE-THIS'); +my $memd1 = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]); +my $memd2 = Cache::Memcached->new(servers => [ '127.0.0.1:8082' ]); -my $total = $memd->stats()->{total}->{total_connections}; +$memd1->set('/', 'SEE-THIS'); +$memd2->set('/', 'SEE-THIS'); + +my $total = $memd1->stats()->{total}->{total_connections}; like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request'); like(http_get('/notfound'), qr/404/, 'keepalive memcached not found'); @@ -79,6 +116,48 @@ like(http_get('/'), qr/SEE-THIS/, 'keepa like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again'); like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again'); -is($memd->stats()->{total}->{total_connections}, $total + 1, 'keepalive used'); +is($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'); ###############################################################################