Two-Minute Tech Tuesdays - Banning

In this week's 2-Minute Tech Tuesday, we'll be discussing banning, which is a mechanism in Varnish to remove outdated content from the cache so that new content can be presented immediately, rather than waiting for the cache to expire.

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9/8/21 7:06 PM
by Thijs Feryn

The best way to completely purge a Varnish cache


It's cargo-cult fighting time! Today, we are going to look at a ban expression that you probably have used, and maybe even have recommended (gasp!) to your fellow Varnish users:

req.url ~ /

We'll discuss why we use it, why it's good but mostly bad, and how to fix it. Hopefully, along the way, we'll shed some light on some Varnish internals that you can use in other situations.

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6/18/20 4:08 PM
by Guillaume Quintard

Varnish Software Blog

The Varnish blog is where our team writes about all things related to Varnish Cache and Varnish Software...or simply vents.

 

 
 

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