[erlang-questions] MySQL cluster

Dmitrii Dimandt <>
Fri Oct 20 14:40:51 CEST 2006


What's the optimum maximum size for Mnesia then? A bout a couple of
gigabytes? Or more?

On 10/20/06, Ulf Wiger (TN/EAB) <> wrote:
>
>
> I don't think I'd attempt something like that in mnesia without first
> doing a lot of experimentation. While mnesia clusters should scale
> fairly well towards some 50 or so nodes (perhaps more), with no more
> than a few Gb of RAM capacity on each node, you won't get up to tens of
> TB. Still, it's the disk storage, and backup/restore that would worry me
> most.
>
> My general assumption is that if you haven't carefully designed your
> dbms to work well with that kind of data volume, most likely it won't
> work.
>
> Which DBMS is the best for terabyte data storage, I can't say. You have
> a number of SQL DBMS:s to choose from.
>
> BR,
> Ulf W
>
> -----Original Message-----
> From: 
> [mailto:] On Behalf Of Pat e
> Sent: den 20 oktober 2006 05:56
> To: 
> Subject: [erlang-questions] MySQL cluster
>
> We are prepairing rather big web project that will end up with tens of
> TB of data.
>
> Now, is it any worth to juice out Mnesia or just go with MySQL Cluster?
>
> If we would use Mnesia we would use
> PAX storage model vs. N-array storage
> model.
>
> Ulf... what do you think?
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