Hi Ric,
Ricardo Newbery-2 wrote: > > > Personally, I would examine response headers first before diving into > varnish stats and logs. Both CacheFu and Varnish will add headers to > the response telling you what it's doing, whether it's getting the > content from cache or whether it's pulling it from the backend. This > is usually all you need to know to diagnose 95% of cache issues. > > Response headers are: http://webstar.eng.ox.ac.uk:8000/IBME/IBME GET /IBME/IBME HTTP/1.1 Host: webstar.eng.ox.ac.uk:8000 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6 (.NET CLR 3.5.30729) Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-gb,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 300 Connection: keep-alive Referer: http://webstar.eng.ox.ac.uk:8000/IBME/IBME Cookie: __utmz=#### If-None-Match: ||IBME-MainTheme|en-gb;en;q=0.5|1|6509||||343382 HTTP/1.x 304 Not Modified Server: Zope/(Zope 2.10.7-final, python 2.4.5, linux2) ZServer/1.1 Plone/3.2.1 Expires: Sun, 07 Mar 1999 14:10:14 GMT Vary: Accept-Encoding Etag: ||IBME-MainTheme|en-gb;en;q=0.5|1|6509||||343382 X-Caching-Rule-Id: plone-content-types Cache-Control: max-age=0, s-maxage=0, private, must-revalidate X-Header-Set-Id: cache-in-memory Content-Length: 0 Date: Wed, 04 Mar 2009 14:10:14 GMT X-Varnish: 1423877020 Age: 0 Via: 1.1 varnish Connection: keep-alive ---------------------------------------------------------- http://webstar.eng.ox.ac.uk:8000/IBME/IBME/images/IBMEExterior.jpg/image_preview GET /IBME/IBME/images/IBMEExterior.jpg/image_preview HTTP/1.1 Host: webstar.eng.ox.ac.uk:8000 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6 (.NET CLR 3.5.30729) Accept: image/png,image/*;q=0.8,*/*;q=0.5 Accept-Language: en-gb,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 300 Connection: keep-alive Referer: http://webstar.eng.ox.ac.uk:8000/IBME/IBME Cookie: __utmz=#### If-Modified-Since: Thu, 19 Feb 2009 15:34:52 GMT HTTP/1.x 304 Not Modified Date: Wed, 04 Mar 2009 14:10:14 GMT Via: 1.1 varnish X-Varnish: 1423877021 Last-Modified: Thu, 19 Feb 2009 15:34:52 GMT Connection: keep-alive ---------------------------------------------------------- >From this I assume that Varnish is indeed caching. Still, slower performance than I'd expect. Cheers, Jim -- View this message in context: http://n2.nabble.com/Varnish-cache-does-not-appear-to-speed-up-page-delivery-tp2422346p2423034.html Sent from the Installation, Setup, Upgrades mailing list archive at Nabble.com. _______________________________________________ Setup mailing list [email protected] http://lists.plone.org/mailman/listinfo/setup
