On Fri, 2005-02-18 at 16:10 -0200, H Matik wrote: > On Friday 18 February 2005 08:34, Marco Crucianelli wrote: > > On Thu, 2005-02-17 at 12:52 -0600, Kevin wrote: > > > What mechanism are you using to set expire times? > > > > Well, I'm still not sure what I shall use! I mean: should I use > > refresh_pattern!? Or what? I mean, refresh_pattern can let me change > > refresh period based on sire url right? What' else could I use?! > > > > when I suggested the choice of two caches, one for small objects and one for > large objects the focus was not on refresh patterns > > the goal here is you can use at very first priority the OS and especially the > HD System tuned for serving small or large files. This certainly will not be > possible running two squids on one machine > > the second point is that you can use max|min_object_size in order to limit the > file size you will serve by each server. My experienced showed best results > breaking at 512K on modern PCs Do you mean using max_object_size=512K for the small_object squid? > > third step is to use cache_replacement_policy LFUDA/GDSF accordingly and if > using diskd you may play with Q1 and Q2 what will give you the difference > Yes, I was thinking exactly of using GDS for the small_object squid, while LFUDA for the big_file squid! > and to make sense you push from the large_obj_cache with proxy-only set > Right! > to achieve this correctly you may or should set additional always|never_direct > for known mpg, avi, wmv,mp3,iso and other so that the small_obj_cache pulls > them really from the larg_obj_cache > > Hans > > I was thinking about using ACL regex_url to direct avi,mp3,iso etc from the small_object (front-end) squid to the big_object (back-end) squid together with the directive cache_peer_access...do you think I can do it this way? > > > But, what about staleness? Can I set up the refresh time in squid...with which directive?!?! Once again, may thanks!!!!
