failover and load balancing
misch at multinet.de
Wed Apr 22 14:06:34 CEST 2009
Am Mittwoch, 22. April 2009 11:54:00 schrieb Meyers, Dan:
> > I use a PostgreSQL DB form my three AAA server and the DB is enough
> > quick for serveral request per second.
> Aah. We were wanting to handle 100 or so requests a second. Postgres
> might well have done this, but we wanted room for expansion and our
> tests with 10'000 requests at ~100 a second showed Postgres being
> noticeably slower than MySQL. As long as it's good enough for your
> purposes there's no reason to switch though.
> > However, I am looking for a (free) master-master DB, and the
> > replication in postgres crashes. And the problem in MySQL it was told
> > before.
> > I admit suggestions for a BETTER free DB.
> We had a good look and were unfortunately unable to find anything for
> free. If you can deal with master-slave, MySQL seems to be the best bet.
> If you must have master-master, you're out of luck until Postgres gets
> it working or someone else implements it. It seems that to get something
> like this you'll have to end up paying Oracle or someone similar a fat
> pile of money.
> I could be wrong, there might be one we've missed. If so, i'd love to
> know as well, as master-master replication would make our lives easier
> too :)
> Dan Meyers
I never tried it myself, but I know the author. He is quite good. so my advise
would be cybercluster. See:
Dr. Michael Schwartzkopff
MultiNET Services GmbH
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