When in doubt, test

I remember very well my first encounter with Varnish. It was this thing with a weird name that worked differently from the tools I had used before. Trying to understand why it was so unfamiliar quickly settled things and Varnish's architecture suddenly became an eye-opener.

Read More

31/12/15 07:00
by Dridi Boukelmoune

Linux vm tunables

There are quite a few tunables in the Linux kernel. Reading the documentation it is clear that quite a few of them could have an impact on how Varnish performs. One that caught my attention is dirty_background_writeback tunable. It allows you to set a limit for how much of the page cache would be dirty, i.e. contain data not yet written to disk, before the kernel will start writing it out.

Read More

27/11/14 17:00
by Per Buer

Varnish Software Blog

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


Recent Posts

Posts by Topic

see all