Re: upcoming changes to TTLs.

From: Duane Wessels <wessels>
Date: Mon, 28 Oct 96 09:19:39 -0800 writes:

>At 10:13 PM 27/10/1996 -0800, you wrote:
>>For the next 1.1 beta version I have changed the way Squid handles
>>object lifetimes. Instead of calculating a TTL when the object
>>enters the cache, it now checks for "freshness" or "staleness"
>>when the request is made.
>>If the object age is less than 'min', it is fresh.
>>If the object expiry time has been reached, it is stale.
>>If the object age is more than 'max', it is stale.
>Can I clarify something? Will this ignore these bloody Expires headers
>that Microsoft keep feeding us with an expiry of now?

Yes, if you write:

    refresh_pattern http://.* 60 50% 1440

Then your cache would immediately return HITs for URLs
less than 60 minutes old.

But note there are other headers they can send to prevent caching,
such as "Cache-Control: private."

Duane W.
Received on Mon Oct 28 1996 - 09:19:39 MST

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