Load Balancer Module KPIs and Thresholds

This section details the Key Performance Indicators (KPIs) of the Load Balancer Module for ITSI. The KPIs impact the Health Score of your services.

The default KPI calculation window for this module is Last 15 minutes, and calculation interval is Every 5 minutes. Adjust the search calculation interval for each supported add-on to match the five minute ITSI module calculation interval.

Adjust the search calculation time for this module:

1. From the ITSI main menu, click Configuration > KPI Base Searches.
2. Navigate to the KPI you want to modify, and select Edit > Clone.
3. Name your cloned KPI base search and click Clone Page.
4. Click on the KPI you want to modify.
5. Navigate to KPI Search Schedule, and select Every 5 Minutes from the dropdown menu.
6. Click Save.

Load Balancer Module KPI Availability

KPI Name	Splunk Add-on for F5 Big-IP	Splunk Add-on for Citrix Netscaler
5XX Responses from Server	x	x
Availability	x	x
Client Connections	x	x
Client Throughput	x	x
Concurrent Sessions	x	x
CPU Utilization % By System	x	x
Failover	x	x
Memory Used % By System	x	x
Round Trip Time	x	x
Server Connections	x	x
Server Throughput	x	x
SSL Transactions per Second	x	x
System Storage Used % By System	x	x

KPI and Threshold Reference Table

KPI Name	Description	Unit Type	Threshold Values
5XX Responses from Server	Total number of responses returned to the client as an error 5xx.	count	Adaptive thresholding - 2 hour window every day
Availability	Number of available servers.	count	Adaptive thresholding - 2 hour window every day
Client Connections	The average number of connections from users/agents/clients.	count	Adaptive thresholding - 2 hour window every day
Client Throughput	The amount of data sent to and from the load balancer to the client.	GB/sec	Adaptive thresholding - 2 hour window every day
Concurrent Sessions	Total number of client sessions currently active.	count	Adaptive thresholding - 2 hour window every day
CPU Utilization % By System	How much CPU availability has been used across all available cores.	%	Normal: < 70, Medium: 70-90, High: > 90
Failover	The failover status of the load balancer.	count	Adaptive thresholding - 2 hour window every day.
Memory Used % By System	Total memory used, by percent.	%	Normal: < 70, Medium: 70-90, High: > 90
Round Trip Time	The amount of time it takes for the response from the server to return to the client.	ms	Adaptive thresholding - 2 hour window every day
Server Connections	The average number of connections to the upstream server pool.	count	Adaptive thresholding - 2 hour window every day
Server Throughput	The amount of data sent to and from the load balancer to the upstream servers.	GB/sec	Adaptive thresholding - 2 hour window every day
SSL Transactions per Second	Total number of SSL transactions.	count/sec	Adaptive thresholding - 2 hour window every day.
System Storage Used % By System	Total storage space used, by percent.	%	Normal: < 75, Medium: 75-90, High: > 90