[horde] Cache System Questions

Luis Felipe Marzagao lfbm.andamentos at gmail.com
Thu Dec 18 14:52:27 UTC 2008

I would very much like to hear the answers for these questions. They 
have always made me wonder.


Kareem Dana escreveu:
> I have a few basic questions mainly about the caching options in
> Horde. Thanks for any clarification.
> 1) Cache System: I have it set to Store objects in filesystem. I can
> use the SQL based cache. Performance wise is one driver better than
> the other?
> 2) In /tmp I see lots of cache_<hashed id> files. I presume these are
> the cached objects. Does horde automatically clean these files up? Is
> it safe to run through them with something like tmpwatch and delete
> them after a week or so?
> 3) Virtual File Storage: What is this used for and are there any
> serious differences between filesystem vs. SQL driver?
> 4) In Turba, I can select a VFS driver to use. Currently it is set to
> None and turba seems to be working fine. What does Turba use the VFS
> for?
> 5) In Imp, I can use the msgcache and/or the mlistcache. With msgcache
> what details are cached and approximately how much storage space is
> used per message?
> - Kareem Dana
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