#!/usr/bin/env perl # ex:ts=4 use strict; use warnings; use Cache::Memcached; # Based on original plugin, extended to unix socket use # https://github.com/western, westroads@gmail.com =head1 example config for /plugin-conf.d/munin-node [memcached_hits_1] env.server 127.0.0.1:11211 env.label "first local server" [memcached_hits_2] env.server /var/run/memcached/memcached.sock env.label "second local server" =cut my $label = exists $ENV{'label'} ? $ENV{'label'} : ''; unless( $label ){ if( $0 =~ /memcached_ext_hits_([\w\d]+)$/ ){ $label = $1; } } my $cmd = shift || ''; if ($cmd eq 'config') { print "graph_title Memcached cache hits and misses on $label\n"; print "graph_args --base 1000 -l 0\n"; print "graph_vlabel requests\n"; print "graph_category memcached\n"; print "graph_info This graph monitors the number of cache hits and misses.\n"; print "hits.label hits\n"; print "hits.info Number of cache hits\n"; print "hits.min 0\n"; print "hits.type DERIVE\n"; print "misses.label misses\n"; print "misses.info Number of cache misses\n"; print "misses.min 0\n"; print "misses.type DERIVE\n"; print "misses.draw AREA\n"; exit 0; } my $server = exists $ENV{'server'} ? $ENV{'server'} : '127.0.0.1:11211'; my $memd = new Cache::Memcached { 'servers' => [$server] }; my $memstats = $memd->stats(['misc']); print "hits.value " . $memstats->{hosts}->{$server}->{misc}->{get_hits} . "\n"; print "misses.value " . $memstats->{hosts}->{$server}->{misc}->{get_misses} . "\n";