anchor.diff:  --------------------------------------------------------------------------------
   
   To create Some Data Collection Items based on these script, for hosts, DCI items
  -can be created. Document shows how to create following data collection items:
  -
  -==== Average response time over several servers for one service;
  +can be created. Document shows how to create following data collection items.
  +
  +==== DCI: Average response time over several servers for one service
   
   The average response time here is measured for service named "HANDLER".
   
  
positive.code: image:netxms_avg_rsp.png[caption="Figure 6: ", title="Average response time"]
  
  
  ==== Number of successful processed messages for one service with several servers;
  
  Number of successful messages processed here are measured for "HANDLER" service.
  
  
negative.code: image:netxms_succ.png[caption="Figure 7: ", title="Successful requests processed by service copies"]
  
  
  ==== DCI: Cumulative number of messages waiting in queues (for all services)
  
  This indicator usually shall be very small like 0..1..2, if it grows higher, then
  this indicates that system is unable to cope with the workload. This value is recommended
  