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Re: (patch) Enhanced MySQL driver

From: Wietse Venema (wietseporcupine.org)
Date: Wed Jun 11 2003 - 15:01:09 CDT


Leandro Santi:
> On Wed, Jun 11, 2003, Wietse Venema wrote:
> > Leandro Santi:
> > > Oh. But... what about the proxymap? If someone uses the proxymap as a way
> > > to save lots of MySQL connections, then the coin method can have somewhat
> > > poor fairness performance (because the number of processes won't be
> > > always high enough -statistically speaking, of course-).
> >
> > If you have only a few connections, who cares? Load balancing
> > is an issue only when you have enough load to begin with.
>
> With the proxymap one could have relatively few instances (say, 5) of it,
> so the number of connections will be low as well, but that does not
> directly imply low load. Correct me if I'm wrong, but AFAIK multi server
> processes like the proxymap don't enforce max_use strictly. This isn't good
> for the coin solution.

If you have only a few connections, who cares? Load balancing
is an issue only when you have enough load to begin with.

        Wietse