just call "varnishadm" with the ban command you need from ruby under the system() call<div><br></div><div>system("varnishadm -T somehost:6082 ban.url /images") </div><div><br></div><div><br><br><div class="gmail_quote">
On Thu, Mar 1, 2012 at 3:48 AM, Per Buer <span dir="ltr"><<a href="mailto:perbu@varnish-software.com">perbu@varnish-software.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br><br><div class="gmail_quote"><div class="im">On Wed, Feb 29, 2012 at 11:27 PM, S Ahmed <span dir="ltr"><<a href="mailto:sahmed1020@gmail.com" target="_blank">sahmed1020@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
How would you go about invalidating a cache with ruby?</blockquote><div><br></div></div><div>You either use HTTP PURGE against Varnish or issue a ban. See the tutorial for details.</div><div class="im"><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>Also, from what I understand varnish doesn't support clustering. What if you grow past a single server, do you somehow use a hashing algorithm to choose which server will have the cached page? (if yes, then at what layer will this hashing be done?)</div>
</blockquote><div><br></div></div><div>You can either use Varnish as a load balancer (it is rather good at load balancing) use the hash director or any other load balancer that supports "URL target" hashing.</div>
<div>
<br></div></div><font color="#888888">-- <br><img><div>Per Buer, CEO<br>Phone: <a href="tel:%2B47%2021%2098%2092%2061" value="+4721989261" target="_blank">+47 21 98 92 61</a> / Mobile: <a href="tel:%2B47%20958%2039%20117" value="+4795839117" target="_blank">+47 958 39 117</a> / Skype: per.buer<br>
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