Re: Multi Master Replication

> 2.  With sync replication, you have coordination problems and
> therefore it is never (at least IME) a win compared to master-slave
> replication since all writes must occur in the same order in the set,
> or you need global sequences, or such.

*snip*

>  You will never get better read or write throughput,

Better read throughput is trivial to achieve even with other solutions
than multi-master replication.

And for better write throughput, the developers of Postgres-XC
(supported by NTT, among others) beg to differ:

http://postgresxc.wikia.com/wiki/Postgres-XC_Wiki
http://postgres-xc.sourceforge.net/

As does Bettina Kemme (of Postgres-R fame).

Sincerely,

Wolfgang