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Forum Discussion

Kris__109062's avatar
Kris__109062
Icon for Nimbostratus rankNimbostratus
Sep 25, 2012

My RAM Cache Irule

Hi,   Given the following irule and http profile with ram cache enabled and applied to a VS, why would I still be seeing a lot of occurences to the backend servers of clients GETing the URI when t...
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Mohamed_Lrhazi's avatar
Mohamed_Lrhazi
Icon for Altocumulus rankAltocumulus
Sep 25, 2012
To me the algorithms for deciding whether a URL is cachable or not are, what you call it, black magic? or voodoo?

 

 

How do you determine that an object should have been cached?

 

 

Try this maybe: http://www.ircache.net/cgi-bin/cacheability.py

 

 

My conclusion, when I got intrigued by this was, I hope LTM knows what it doing... and worry only when it caches something it turns out should not, like the user settings or the wrong user or something.... Which is probably the reason why caches are very careful and choose to err on the safe side.