Re: PostgreSQL clustering VS MySQL clustering

On January 20, 2005 06:51 am, Christopher Kings-Lynne wrote:
> >>>Sorry but I don't agree with this ... Slony is a replication solution
> >>> ... I don't need replication ... what will I do when my database will
> >>> grow up to 50 Gb ... I'll need more than 50 Gb of RAM on each server
> >>> ??? This solution is not very realistic for me ...
> >>>
> >>>I need a Cluster solution not a replication one or explain me in details
> >>>how I will do for managing the scalabilty of my database ...
> >>
> >>Buy Oracle
> >
> > I think this is not my solution ... sorry I'm talking about finding a
> > PostgreSQL solution ...
>
> My point being is that there is no free solution. There simply isn't.
> I don't know why you insist on keeping all your data in RAM, but the
> mysql cluster requires that ALL data MUST fit in RAM all the time.
>
> PostgreSQL has replication, but not partitioning (which is what you want).
>
> So, your only option is Oracle or another very expensive commercial
> database.

Another Option to consider would be pgmemcache. that way you just build the
farm out of lots of large memory, diskless boxes for keeping the whole
database in memory in the whole cluster. More information on it can be found
at: http://people.freebsd.org/~seanc/pgmemcache/

>
> Chris
>
> ---------------------------(end of broadcast)---------------------------
> TIP 8: explain analyze is your friend

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Darcy Buskermolen
Wavefire Technologies Corp.
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