Strategies for splitting load across varnish instances? And avoiding single-point-of-failure?

Michael Fischer michael at
Sat Jan 16 22:32:11 CET 2010

On Sat, Jan 16, 2010 at 1:19 PM, Poul-Henning Kamp <phk at>wrote:

> In message <dcccdf791001161258s3e960aa8t3cd379e42d760a74 at>,
> David
>  Birdsong writes:
> >Right, but those 2 remaining are at least still being asked for the
> >same url's they were prior to the 1 dying.
> Correct, the hashing is "canonical" in the sense that if the
> configured backend is up, all traffic for "its" objects will be
> sent to it.

Are you saying that the default hash is not a mod-n-type algorithm?

If not, what happens when the failed backend is restored to service?

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