Re: [squid-users] age in the refresh_pattern

Stand H wrote:
>
>
> --- On Thu, 7/2/09, Amos Jeffries <squid3_at_treenet.co.nz> wrote:
>
>> From: Amos Jeffries <squid3_at_treenet.co.nz>
>> Subject: Re: [squid-users] age in the refresh_pattern
>> To: "Stand H" <hstandit_at_yahoo.com>
>> Cc: squid-users_at_squid-cache.org
>> Date: Thursday, July 2, 2009, 7:15 PM
>> Stand H wrote:
>>> Hi,
>>>
>>>
>>> FRESH if expires
>> < now, else STALE
>>> STALE if age
>>> max
>>> FRESH if
>> lm-factor < percent, else STALE
>>> FRESH if age
>> < min
>>> else STALE
>>>
>>> Can someone show how to calculate the age here? Is it
>> age=Now-LM or age=time since the object stored in the
>> cache?
>> Age = time in seconds since value of Date: header received
>> with the Object.
>>
>> Date: header in future are cropped to NOW.
>>
>> Amos
>> -- Please be using
>> Current Stable Squid 2.7.STABLE6 or 3.0.STABLE16
>> Current Beta Squid 3.1.0.9
>>
>
> Thanks, Amos.
>
> I am confused when I read this thread http://www.squid-cache.org/mail-archive/squid-users/200710/0680.html
>
> I think the max still can be used even the response has no LM header. Can you clarify?

No, I don't know whats going on inside your head so I can't explain what
you are thinking of.

Yes, The answer that came out does match the algorithm you are talking
about.

>
> What if the response Date header is one day behind NOW? Is the response 1 day one by the time it reach the Cache?
>

Yes. Exactly. Date: is supposedly when the object was last sent from
the web server.
If its already saying 1 day old, then the object is supposedly 1 day old
and should be treated as such during the calculation.

Amos

-- 
Please be using
   Current Stable Squid 2.7.STABLE6 or 3.0.STABLE16
   Current Beta Squid 3.1.0.9