From: | Vivek Khera <vivek(at)khera(dot)org> |
---|---|
To: | Postgresql Performance <pgsql-performance(at)postgresql(dot)org> |
Subject: | Re: Cheap RAM disk? |
Date: | 2005-07-26 17:49:05 |
Message-ID: | 37F30C1F-1EEB-4705-B074-9E4469A1CBC6@khera.org |
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Thread: | |
Lists: | pgsql-performance |
On Jul 26, 2005, at 12:34 PM, John A Meinel wrote:
> Basically, it is a PCI card, which takes standard DDR RAM, and has
> a SATA port on it, so that to the system, it looks like a normal
> SATA drive.
>
> The card costs about $100-150, and you fill it with your own ram,
> so for a 4GB (max size) disk, it costs around $500. Looking for
> solid state storage devices, the cheapest I found was around $5k
> for 2GB.
>
gotta love /. don't ya?
This card doesn't accept ECC RAM therefore it is nothing more than a
toy. I wouldn't trust it as far as I could throw it.
There are other vendors of SSD's out there. Some even have *real*
power fail strategies such as dumping to a physical disk. These are
not cheap, but you gets what ya pays for...
Vivek Khera, Ph.D.
+1-301-869-4449 x806
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