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liamterry's avatar
liamterry
Icon for Nimbostratus rankNimbostratus
Jun 19, 2019

AVR Metric Definitions

I can not find a complete list of all the AVR Metric definitions and was hoping someone could point me in the correct direction. For example AVG Server Latency is defined by I could not find any refe...
application delivery
BIG-IP
LTM
Nathan_F__F5_'s avatar
Nathan_F__F5_
Icon for Employee rankEmployee
Jun 26, 2019

Hi liamterry,

 

I've been doing some digging on this and I think I may have an answer for you. The documentation is not very clear but I think the "Avg Server Latency" applies specifically to HTTP traffic whereas "Avg Server Network Latency" applies to non-HTTP traffic. I am basing this off of the following release notes.

 

https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/product/relnote-bigip-ve-13-1-1.html

 

On that page you will see two sections titled "AVR :: Merged metrics to HTTP statistics tables" and "AVR :: New and updated metrics". As you will see, the HTTP section lists the Avg Server Latency while the New Metrics section lists the "Network" Server Latency.

 

Regarding the N/A values for page load times and client TTFB, are you seeing those values for a virtual server that doesn't serve HTTP traffic by chance?