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  Analyzed 8 days ago based on code collected 8 days ago.
 
Dr Carter: Varnish 3.0.4 released
Posted 3 days ago
<script type="text/javascript">
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<script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript">
</script>Summary of changes from 3.0.3 to 3.0.4

The ACL code had a ... [More] bug which could lead to false negatives. This has been assigned CVE-2013-4090.
Varnish will now return an error if the client sends multiple Host headers.
If the backend sent invalid gzip while using ESI, Varnish would in some cases assert. It now works correctly.
TCP_NODELAY is now enabled, which should lead to performance improvements in some cases.

Download here.

Fuller list of changes: https://www.varnish-cache.org/trac/browser/doc/changes.rst [Less]
Hrafnhildur Smaradottir: Varnish = Velocity
Posted 3 days ago
As we are on a mission to build a faster and more scalable web for every type of organisation, joining up with the people attending the Velocity conference in Santa Clara, California makes perfect sense for us.
Per Buer: Speculative Lock Elision in Varnish Cache
Posted 7 days ago
This year we’ve seen quite an interesting announcement from Intel. Their Haswell processors are now on sale. Usually we haven’t cared much about what Intel releases as new features in CPUs don’t always impact the performance on server software ... [More] that much. Haswell, on the other hand, now has a feature, Transactional memory, that is pretty cool and might actually influence Varnish's performance quite a bit. Here is why. [Less]
Per Buer: Advanced cache invalidation strategies
Posted 7 days ago
“There are only two hard things in Computer Science: cache invalidation and naming things.” -- Phil Karlton
Today, I’ll write about the hardest one of these two; cache invalidation. This used to be rather straightforward. Most websites had ... [More] a rather simple structure between their content repository and their URL structure. This made it rather simple to purge URLs when the content changed. [Less]
Hrafnhildur Smaradottir: Now offering: Varnish Administrator Certification!
Posted 20 days ago
Today we are proud to introduce to you our new training offering, Varnish Certification. The certification is currently offered for the Varnish Administration Course only but we are working on extending the certification to cover all Varnish courses.
Per Buer: Q&A from the "You can cache everything" webinar
Posted 24 days ago
We lost the audio on the Q&A session of the "You can cache everything" webinar. Here are the questions we got along with their answers.
Hrafnhildur Smaradottir: A speedier website at a smaller cost and how Wetpaint uses Varnish to scale
Posted about 1 month ago
Tony Flint leads the team that owns the happiness and health of the web infrastructure at Wetpaint.com. During our chat with Tony he shared with us his team's relief when they came across Varnish and they could rest assured that their website was up and running irrelevant of peaks in traffic.
Per Buer: Getting live statistics from Varnish with HLS/HDS
Posted about 1 month ago
The latter years we’ve seen a surge in the use of HTTP based transports for online video. HTTP Live Streaming (HLS), HTTP Dynamic Streaming (HDS) and Silverlight video (Smooth streaming) are seeing quite a bit of usage. These streaming standards ... [More] are more or less made for caching. However, due to the stateless nature of the HTTP protocol there is a gap between the streams themselves and the underlying traffic. This makes it hard to get proper insight into what is actually going on in the video distribution system. [Less]
Ruben Romero: Flying without turbines: Compiler-less Varnish Cache
Posted about 1 month ago
Varnish Cache uses the gcc compiler by default. If you need it to run without the compiler, for whatever reason, we can provide you with a version of Varnish that does not have that requirement.
Hrafnhildur Smaradottir: Varnish Administration Course in London, May 2nd and 3rd
Posted 2 months ago
Are you using Varnish already but feel you need to learn some tips and tricks? Or do you feel that you need some additional Varnish Configuration Language skills?
 

 
 

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