See, the solution to this problem is to use WP Super Cache, right? Unfortunately, my solution wasn’t that simple. I still went down a few times after being fireballed. Here’s my (long-winded, and probably slightly inaccurate) story below.

Varnish is an amazing and incredibly efficient tool for serving up common resources from your site to end-users. Besides simply making your site faster, it also can add additional redundancy to your setup by acting as a full backup if the web servers fail. In order to make Varnish both serve as an effective backup and efficient caching layer, it needs to clean up incoming headers from the browser, strip down cookies, and consolidate the "Accept-Encoding" header.
After such extensive explanations it's easy to get overwhelmed, but the good news is that the VCL file provided here can quickly be deployed to almost any Drupal site and start working immediately. For most sites no further customization is needed, and sites that need to tweak it will have a good head start towards huge reductions in server load. On our sites, Varnish is usually able to handle about 85% of the traffic without ever touching the web servers. Even during peak times with hundreds of thousands of requests coming in per hour, Varnish can hum along at less than 5% CPU usage of an average 4-core server. Instead of scaling out your web servers horizontally, adding a few Varnish machines in front of them can save a huge amount of processing and speed up your site at the same time.
If you haven't already, grab the actual default.vcl file that we use on our sites and read it through start to finish. Now with all of the individual pieces explained in-depth above, we hope you can use it as a starting point for your own VCL configuration. Happy caching!

In case your web hosting account is not configured to server certain mime types with the proper content type. You can change this using .htaccess file.

When you try to download .docx (Word 2007) files from the Internet, does Internet Explorer want to rename them to .zip files? If you’re looking for an easy fix, stop banging your head against the wall, it’s not you. It’s the server. You should contact the webmaster and ask him or her to add the Office 2007 mime types to the server’s configuration. With Apache running on linux, this is typically in the file /etc/mime.types. Ask them to add

application/vnd.openxmlformats docx pptx xlsx
to that file, and then restart Apache. If you’re testing it out on one of your own servers, you’ll probably need to close and restart your browser, too.

The question the COC asked the board has to do fundamentally with the long term survival and success of the Joomla! Project. In exploring the issue of how OSM should be organized and should use its resources to best support the long term survival and relevance of the Joomla! Project it is useful to see how this is managed in other large and successful open source projects. Last spring members of the OSM board looked more closely at several. These included Mozilla, MediaWiki, Apache HTTP  Server/Apache Software Foundation, Ubuntu, Moodle, WordPress and Drupal. During the summer of 2008 the mission of the Joomla! Project was  defined as "to provide a flexible platform for digital publishing and collaboration." This combined with the potential loss of the then senior developers (Andrew and Louis) led us to focus in particular on how development leadership is funded in various projects.

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