Re: ISPmail Lenny tutorial ready

[Thomas Goirand <thomas@goirand.fr>]

Michelle Konzack wrote:
> Am 2009-07-19 04:14:33, schrieb Thomas Goirand:
>> Christoph Haas wrote:
>>> If the MySQL service becomes unavailable for Postfix then the sending
>>> server will get a 4xx temporary error. In a huge setup I'd probably set
>>> up monitoring to get noticed of such outages quickly. And I'd use a load
>>> balancer in front of two MySQL instances (master-slave replication).
>> MySQL replication only works with low loads. In fact, running MySQL over
>> the network has a HUGE performance penalty.
> 
> This is, WHY I use PostgreSQL...  It performance miuch better.

I do not agree with that.

ANY database server (even PostgreSQL) will be a lot slower if connecting
to it using network. It's always better to use a Unix socket if
possible. If you are using more than one db server, that's for
redundancy, not for speed.

Thomas