Strategies for splitting load across varnish instances? And avoiding single-point-of-failure?
rtshilston at gmail.com
Fri Jan 15 16:49:31 CET 2010
John Norman wrote:
> A couple more questions:
> (1) Are they any good strategies for splitting load across Varnish
> front-ends? Or is the common practice to have just one Varnish server?
> (2) How do people avoid single-point-of-failure for Varnish? Do people
> run Varnish on two servers, amassing similar local caches, but put
> something in front of the two Varnishes? Or round-robin-DNS?
We're running with two instances and round-robin DNS. The varnish
servers are massively underused, and splitting the traffic also means we
get half the hit rate. But it avoids the SPOF.
Is anyone running LVS or similar in front of Varnish and can share their
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