Re: [squid-users] vary cache rules by time of day

On 08/01/11 02:06, Tim Huckle wrote:
> Hi,
>
> I'm caching for a short period of time a large number of delayed
> stock market data web service requests which ordinarily were being
> requested from the upstream data provider every time by the app
> layer. I have various refresh_patterns stipulated for the different
> types of requests, i.e. data that compiles a 3 month chart can be
> kept for several hours , a price quote for just a few minutes etc.
>
> Whilst the volume of traffic to our site does drop after market hours
> and over the weekend, we would benefit hugely if I could invoke
> different refresh patterns after market close and over the weekend
> since I know at that point the data can be pulled from cache until
> the market next opens.
>
> Is there a way to do this within acl or refresh_pattern or do I need
> to have two squid configs and cron a --reconfigure at the relevant
> times?

Sadly no. refresh_pattern is purely regex based at present. ACL provides
time-sensitive matches but cannot be used there yet.
  Ideas and patches to convert refresh_pattern to an ACL based directive
are welcome.

Amos

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