Want to know about some of the varnish features

[nick tailor]

Hey Raj,

How I did it was, as long as my backend is up, the cache updated every 5
minutes from, and if my backend was down the content it served was up to 12
hours. You can specify the ttl for objects within VCL.

Cheers

Nick tailor

On Tue, Jan 1, 2013 at 9:43 PM, Rajat <rajat.toshniwal at tekmindz.com> wrote:

> I am new to varnish and running a heavy education portal , so we want to
> deploy varnish as cache engine.
> But before using it, I want to be cleared about these point, Please help
> me in understanding these points
> a>Is it possible to expire a particular file/content from cache so that if
> any changes are made to a file/content it can be reloaded into cache from
> the app server.
> I have read about ban (varnish 3.x), but in that case I need to restart
> the engine to reload the configuration, but that will purge the whole
> cache. which I do not want
> b>Can we instruct varnish not to flush the cache on reboot.
> c> What are the rule preferences e.g. if there are two rules applicable
> for a particular request which rule would get the preference.
>
>
> Regards
> Rajat Toshniwal
>
> ----------------------------------------------------------------------------------
> Disclaimer: The information contained in this communication is
> confidential, private, proprietary, or otherwise privileged and is intended
> only for the use of the addressee. Unauthorized use, disclosure,
> distribution or copying is strictly prohibited and may be unlawful. If you
> have received this communication in error, please delete this message and
> notify the sender immediately - Samin TekMindz India Pvt. Ltd.
>
> ----------------------------------------------------------------------------------
>
> _______________________________________________
> varnish-misc mailing list
> varnish-misc at varnish-cache.org
> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://www.varnish-cache.org/lists/pipermail/varnish-misc/attachments/20130101/49958483/attachment.html>