On Mon, May 25, 2009 at 1:33 PM, Matthew Hoopes <[email protected]>wrote:
> Hi, > > I run a site with many subdomains. (Something like username.domain.com). > When a user changes something about their data on the backend, I need to > purge the varnish caches. So, I'm trying to purge the caches only for that > subdomain, and not everything on domain.com . To purge these caches, I > (programmatically) ssh to each of my varnish proxy boxes, and run this > command: > > echo url.purge *username.domain.com* | nc -q 1 localhost 6082 > > Now, this does work. However, I get the debug message: > > 0 Debug "REGEX: <Invalid preceding regular expression>" > > > Is there something I can change with my regex to not have this message? > It's strange, because the cache is purged of items requested from that > domain. > > Secondly, when I do this, the first request after that cache purge gives an > empty response. > > hoo...@crotty:/tmp$ curl http://username.domain.com/file.html > curl: (52) Empty reply from server > > This is the only thing that shows up while I am running varnishlog -x CLI > > 13 SessionOpen c 209.114.135.220 23780 > > Nothing shows up in varnishncsa, either (leading me to believe varnish > doesn't see it as a valid request?). Then, after that, all subsequent > requests make it to the backend (and are seen by varnishncsa), and are > properly cached again. This happens from any host, not just the one i did > the purge from. > > (After a little testing, if i wait a while (say, enough to read a couple > blogs), the request goes through properly...a held connection times out?) > > If anyone can help me with either of these two problems (or just point me > in the correct direction), i'd be much obliged. > > Thanks, > matt hoopes Shoot, sorry should have mentioned the version...looks like 1.0.3...should I just upgrade to 2? r...@proxy1:/etc/varnish# dpkg-query -s varnish Package: varnish Status: install ok installed Priority: optional Section: web Installed-Size: 736 Maintainer: Ubuntu MOTU Developers <[email protected]> Architecture: amd64 Version: 1.0.3-2ubuntu1 Depends: gcc (>= 3.3), libc6 (>= 2.4), libc6-dev, libncurses5 (>= 5.6+20071006-3) Conffiles: /etc/varnish/vcl.conf be65fff525f05bcd5801c8c56d09672f /etc/default/varnish 1eacf59b849abf38adaf756d14978633 /etc/init.d/varnish 674b353ab86aa5d1b37d1140ec9df118 Description: A state-of-the-art, high-performance HTTP accelerator varnish is the server-side alternative to Squid, written primarily with speed in mind, and with a look to implementing full ESI-support in a future release. . The goal of the Varnish project is to develop a state-of-the-art, high-performance HTTP accelerator. . Varnish is targeted primarily at the FreeBSD 6 and Linux 2.6 platforms, and will take full advantage of the advanced I/O features offered by these operating systems. Original-Maintainer: Stig Sandbeck Mathiesen <[email protected]>
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