On Wed, 25 Feb 2004, Gerard Fremaint wrote:
> I don't understand very well what does the percent option in the
> refresh_pattern mean , can someone explain it to me ?
>
> Also how can I know the expiration date of an object being cached, and how
> does the expiration date for an object cached is set ?
The expiration date is set by either
a) Explicit expiry date set by origin server
b) refresh_pattern if no explicit expiry date provided.
The refresh_pattern simply defines the expiry date as a function of how
long ago the object was last modified, with a max/min value to keep it
reasonable.
So with the default refresh_pattern an object last modified 1 week ago
will be considered fresh by Squid for 33 1/2 hours (20% of 1 week).
Regards
Henrik
Received on Wed Feb 25 2004 - 06:46:31 MST
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