question about multiple server setup

Brad Fitzpatrick brad at
Wed Aug 30 19:19:07 UTC 2006

Yeah, that work is still in progress.  There's a missing piece and I'm not
sure whether to use Spread or NDB/MySQL Cluster for it.

On Wed, 30 Aug 2006, Steven Grimm wrote:

> Yes, every time you change the pool size, you will basically have to
> clear out your cache.
> There was some stuff in one of the 1.1.13 prereleases (not sure if it's
> still there) to abstract the number of physical servers from the hash
> value resolution such that you could add and remove servers and still
> retain most of your existing cache entries. I think that was more of a
> "laying groundwork for the future" thing than a "you can use it right
> now" thing, but maybe that impression is incorrect.
> -Steve
> Evert|Rooftop wrote:
> > One more question, the trivial hash you describe is probably based on
> > the weight + the connectionstring, am I correct in this assumption?
> > Does this mean that every time I would add a box all the hashes change
> > and different servers will be picked ?
> >
> > Evert

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