    # File lib/active_support/vendor/memcache-client-1.5.1/memcache.rb, line 183
      def servers=(servers)
        # Create the server objects.
        @servers = servers.collect do |server|
          case server
          when String
            host, port, weight = server.split ':', 3
            port ||= DEFAULT_PORT
            weight ||= DEFAULT_WEIGHT
            Server.new self, host, port, weight
          when Server
            if server.memcache.multithread != @multithread then
              raise ArgumentError, "can't mix threaded and non-threaded servers"
            end
            server
          else
            raise TypeError, "cannot convert #{server.class} into MemCache::Server"
          end
        end

        # Create an array of server buckets for weight selection of servers.
        @buckets = []
        @servers.each do |server|
          server.weight.times { @buckets.push(server) }
        end
      end