I never considered MySQL because I really DO need transactions.  MySQL also 
lacks many enterprise features we need; well they say they have them but from 
my testing they are a bit under-cooked.

I need atomic actions across an N number of application servers.  The goal here 
is scalability, which is why I brought up clustering.  Unfortunately, we really 
do need those transactions :(  

Thought has gone into solutions other than a relational database but they all 
ended up at the same place ... we started to design a database.  Basically, we 
need the features of a relational database so other solutions started to look 
like one.  

thanks for the help,
skye


Jeff Davis <[EMAIL PROTECTED]> wrote: On Sun, 2007-01-21 at 06:55 -0800, brian 
stone wrote:
> Are there any built in tools or 3rd party tools for distributing a
> postgresql database?  I need an active active configuration; master-
> master with fail over.  The project I am working needs to support a
> very large number of transactions a second. It will eventually require
> a main frame, or some absurd hardware.  It makes much more sense to
> consider a clustered configuration.  DB requests come in from a row of
> application servers.  It would be nice if these requests could be
> distributed.
> 

Consider pgpool, and look at the partitioning feature (which uses
different machines for different records, allowing writes to happen very
quickly).

Also, depending on what your needs are, a relational database might not
be right for you. You say you need transactions, but if you're comparing
to MySQL's master-master, I don't think that even supports ACID
transactions. Do you actually need transactions, or just many writes per
second (perhaps to memory rather than disk)?

Regards,
 Jeff Davis



 
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