memcache stats

memcached_stats.rb

#!/usr/bin/env ruby

stats_prev = {}
loop do
        stats = {}
        stats_output = `echo 'stats' | nc localhost 11211 | sed 's/STAT //g' | grep -v END`

        stats_output.split("\n").each do |line|
                k, v = line.split(" ")
                stats[k] = v.to_i
        end

        stats_prev.each_pair do |k,v|
                puts "#{k}: #{stats[k] - v}/s"
        end

        stats_prev = stats
        puts ""
        
        sleep(1)
end