On Mon, Mar 30, 2015 at 3:15 PM, M. Edward (Ed) Borasky <znmeb@xxxxxxxxx> wrote:
On Mon, Mar 30, 2015 at 2:43 PM, drago01 <drago01@xxxxxxxxx> wrote:
>
> https://lwn.net/Articles/572911/
> https://lwn.net/Articles/467328/
Thanks for the info. That's very helpful, but it looks like that discussion didn't come to any sort of resolution. Do you know if it's being picked up anywhere else?
Yeah, I vaguely remember that discussion. I went down this rabbit hole
in mid-2008, wrote a couple of papers and moved on with my life.
There's no software solution - get faster hardware and more RAM and
don't design I/O-bound systems.
That works for a lot of problems, but some are I/O-bound by definition. Databases are a prime example of a task of that (and the one that started me looking into this). For any non-trivial application, you'll never be able to throw enough CPU/RAM at the problem to make the disk not matter when the system in under heavy use.
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