Thank s a lot , Amos
I will try these things
On 11-Jan-2017 9:22 PM, "Amos Jeffries" <squ...@treenet.co.nz> wrote:
> On 12/01/2017 3:55 a.m., Vidyadhish Joshi wrote:
> > Amos, thank you for the details.
> > Need pointers for caching the dynamic contents. My app has static n
> dynamic
> > cache n static am able to cache it . For dynamic the URL is getting
> > appended with query string. Is there a way to cache dynamic contests n
> > what would be configuration changes to cache dynamic ones.
>
> Sure;
>
> * Use the latest 3.5 version you can. There have been small but
> important improvements across the whole series.
>
>
> * Make sure you _do not_ have the old Squid-2 QUERY ACL denying storage
> ('cache deny QUERY' line in squid.conf) for those objects.
>
>
> * Make sure your refresh_pattern lines _do not_ contain ignore-auth,
> ignore-no-cache, ignore-must-revalidate, ignore-no-store or
> override-lastmod.
> - you can add store-stale if you want to increase the caching further.
>
>
> * Make sure you _do_ have these Squid-3 default refresh_patterns. The 0
> value's are important to be 0. The other numbers you can change as wanted:
>
> refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
> refresh_pattern . 0 20% 4320
>
>
> * Make sure your server produces appropriate caching options indicating
> how long the content is to be cached. Specifically either Expires or
> Cache-Control:max-age=N indicating when it will next change, or
> Cache-Control:must-revalidate to require constant REFRESH.
> see <https://tools.ietf.org/html/rfc7234> for more details
>
>
> * Your server should also produce Last-Modified and/or ETag headers for
> content it generates. And handle the If-* request headers on received
> requests to produce 304 responses when the content is unchanged.
> see <https://tools.ietf.org/html/rfc7232> for more details
>
> - when the server properly handles these If-* headers you can add the
> refresh_pattern option refresh-ims and/or reload-into-ims to further
> increase caching. (Until the server properly revalidates these options
> are useless.)
>
>
> Amos
>
>
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