Varnish Software Blog

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caching policy VCL varnishtest

When I give a Varnish training, one thing I use when we reach the topic of cache invalidation, is the following quote:...

VCL live streaming cache locking origin shield

Forgive my penchant for naming blog posts after cheesy songs – it simply cannot be helped. Reading about streaming and...

The Varnish Book VCT VCL VMODs varnishtest

Varnish has an ecosystem for third-party modules – Varnish Cache Modules (VMODs). A VMOD is a shared library that can...

VCL Varnish Cache Varnish Software

If your content ever changes you’ll need some way to make sure the updated content reaches the users. The traditional...

VCL Varnish custom statistics

Today we announce a significant upgrade of Varnish Custom Statistics (VCS). With this release we are bundling a whole...

VCL varnish administration console

User acceptance testing is the last phase of the software testing process which evaluates the system functionality with...