# File lib/new_relic/agent/instrumentation/memcache/dalli.rb, line 98
          def assign_instance_to segment, server
            host = port_path_or_id = nil
            if server.hostname.start_with? SLASH
              host = LOCALHOST
              port_path_or_id = server.hostname
            else
              host = server.hostname
              port_path_or_id = server.port
            end
            segment.set_instance_info host, port_path_or_id
          rescue => e
            ::NewRelic::Agent.logger.debug "Failed to retrieve memcached instance info: #{e.message}"
            segment.set_instance_info UNKNOWN, UNKNOWN
          end