# File lib/active_support/vendor/memcache-client-1.5.0/memcache.rb, line 749
    def initialize(memcache, host, port = DEFAULT_PORT, weight = DEFAULT_WEIGHT)
      raise ArgumentError, "No host specified" if host.nil? or host.empty?
      raise ArgumentError, "No port specified" if port.nil? or port.to_i.zero?

      @memcache = memcache
      @host   = host
      @port   = port.to_i
      @weight = weight.to_i

      @multithread = @memcache.multithread
      @mutex = Mutex.new

      @sock   = nil
      @retry  = nil
      @status = 'NOT CONNECTED'
    end