Web acceleration profile seems not working

Hi,

Problem: I'm trying to cache content directly from F5 RAM, without hiring the target VIP multiple times, so theoretically using the webacceleration profile (for example optimized-caching).

After having activated the profile following the guides of F5, I cannot actually understand if it works because: through the command "show ltm profile ramcache optimized-caching" it seems that the balancer is actually working. Instead from the gui, in the cache statistics part, the parameters are set to 0

and also the site seems to have no performance improvements.

It is the first time that I configure it.

Has anyone dealt with a similar problem?