On Sat, Jan 16, 2010 at 1:37 PM, Poul-Henning Kamp <[email protected]>wrote:
>Are you saying that the default hash is not a mod-n-type algorithm? > > Well, it is mod-n, with the footnote that n has nothing to do with > the number of backends, because these have a configurable weight. > > >If not, what happens when the failed backend is restored to service? > > It's probably simplest to paraphrase the code: > > Calculate hash over full complement of backends. > Is the selected backend sick > Calculate hash over subset of healthy backends Ah, ok. That should behave reasonably in the event of a backend failure if you're implementing Varnish tiers. Thanks for the clarification. --Michael
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