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Forum Discussion

Renato_166638's avatar
Renato_166638
Icon for Nimbostratus rankNimbostratus
Nov 27, 2015

Cache size, configured vs observed

Hi, I was observing the web-acceleration profile I've configured and I noted an huge difference between the cache size configured and the observed. Here go some examples: Configured parameter: "...
application delivery
BIG-IP
LTM
theCook's avatar
theCook
Icon for Employee rankEmployee
Nov 30, 2015

The real max-size should be the configured max times the number of TMMs. So, in this case if you have 8 TMMs, this profile should have a maximum size of 1800mb. I believe the same is true for max-entries. If you haven't dug these up already, here's some useful links regarding this topic:

 

This solution discusses the ( of tmm instances times configured value = actual value) mentioned above: https://support.f5.com/kb/en-us/solutions/public/8000/700/sol8788.html

 

Discusses a DB key that limits what you're going to be able to configure for cache sizes https://support.f5.com/kb/en-us/solutions/public/13000/800/sol13878.html

 

Discusses some cache improvements in 10.1.0. Might be useful. https://support.f5.com/kb/en-us/solutions/public/11000/900/sol11990.html