On Mon, 31 Oct 2011 11:38:03 +1300 Amos Jeffries wrote: > * your squid might be an older one which does not promote disk > objects back into memory when they get hot/popular again. In those > release once an object gets less popular it gets sent to the disk > cache, Are you saying that new objects are not written to disk until they expire from the memory cache? The implication would presumably be that some objects are lost when squid shuts down.