SSDs aren't necessarily faster than disks:

http://en.wikipedia.org/wiki/Solid-state_drive#Disadvantages

----- Original Message ----- 
From: "Mark" <godef...@gmail.com>
To: <sqlite-users@sqlite.org>
Sent: Monday, September 21, 2009 1:53 PM
Subject: [sqlite] SQLite database on a certain high-performance "SSD"


> I've currently got a loaner high-performance flash-based "SSD" 
> (let's
> just say it doesn't connect to any disk controllers) that I'm 
> testing
> for performance. I've run my application against it, and I believe 
> that
> I should see numbers MUCH higher than I do. When I run my test app 
> on a
> normal SATA 7200 RPM disk, I get a certain performance, and on the 
> "SSD"
> I get about 1/10th that speed. On an array of SAS disks I get 
> numbers
> that are about 5x faster than my SATA disk, so my software itself 
> isn't
> (I believe) the bottleneck.
>
> I'm wondering if anyone has any tips for "optimizing" for this sort 
> of
> storage solution.
>
> Also, if anyone has any quick-and-dirty test setups they'd like me 
> to
> run through on this rig, just let me know :)
>
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