Size a file backed cache

Stephen Wood smwood4 at
Wed Apr 10 02:43:59 CEST 2013

Ultimately the amount of overhead space needed is determined by the number
of objects you have. The overhead is about 1k per object. You can read more
at *Sizing Your
the varnish doc.

On Tue, Apr 9, 2013 at 12:05 PM, Sean Allen <sean at>wrote:

> I know when using malloc storage, that we end up based on our object size,
> about another 100% percent memory to store additional booking info. So
> where we have a
> -s malloc, 6g
> We need a total of 12g available to the OS.
> If I switch to
> -s file, 10g
> Do I need 20g of HD space available on that drive?
> I'm unclear how the issues with malloc map to file storage backend.
> For example, why does file default to 50% sizing of the volume?
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