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