On Thu, 27 Dec 2012 10:54:09 +0100 David Touzeau wrote: > Dear, > > I have set 2 caches on my squid 3.2.5 > > #--------- Multiple cpus -- (disabled) > workers 1 > cache_dir aufs /var/squid/cache1 1105 16 256 max-size=716800 > cache_dir ufs /var/cache/squid 2000 16 256 > > in caches infos we ca see that the first cache is full at 94% and > second cache is 0% > > Why squid did not use the second cache in order to store objects ? Is there any particular reason that one of the caches is aufs and one ufs? I don't know for sure but it wouldn't surprise me if mixing the two doesn't work well with the default selection algorithm which is least-load. The on disk format of aufs and ufs is the same so it's easy to test.