Varnish Clustering

Angelo Höngens a.hongens at
Fri Oct 15 10:14:13 CEST 2010

On Thu, Oct 14, 2010 at 12:25:34PM -0400, Ruslan Sivak wrote:
> Is there any sort of clustering support in varnish?  The only thing I
> found was, Varnish
> Administration Console (only for customers with service agrement).  Is
> that still true?  Do you need a service agreement to use this?  Also
> it states on another page that this is not production ready yet.

We use CARP on FreeBSD for active/active clustering across 4 nodes. We
use DNS for round-robin load balancing and Carp for keeping the 4
virtual ip's up. The varnish instances don't need to know about each
other or the fact that they're part of a cluster.

About the configuration: on each node we have a script we run manually
to refresh it's configs and restart services.


With kind regards,

Angelo Höngens
systems administrator

MCSE on Windows 2003
MCSE on Windows 2000
MS Small Business Specialist
tourism internet software solutions

Ringbaan Oost 2b
5013 CA Tilburg
+31 (0)13 5811088
+31 (0)13 5821239

A.Hongens at

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