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On 20/03/12 13:59, Udi Karni wrote:
> And a more general question. My PC has 8GB of RAM. I am considering
> getting a much larger machine that can take upwards of 100-200GB of
> RAM.

I'd recommend getting one or more SSDs instead (also a lot cheaper).  The
reason is that during your vacuum most data is only read once so RAM won't
really help - instead you want improved latency and throughput of reads.

For RAM you should make it a little larger than your working set of data.
 That will depend on your workload and app, and applies to any kind of
database.  Again SSDs will help since the penalty of a RAM/cache miss is
less than with spinning media.

Roger
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