Re: Tip from mr. D.K. Burleson

On Sep 27, 6:12 am, Gints Plivna <gints.pli..._at_gmail.com> wrote:
> On 27 Sept., 11:47, Helma <helma.vi..._at_hotmail.com> wrote:
>
>
>
>
>
> > Hello fellow DBA's,
>
> > I've read a article from Burleson where he's an enthusiast about solid
> > state disks:
>
> > " It's important for all Oracle professionals to learn about solid-
> > state disk to understand how I/O bottlenecks will soon become a thing
> > of the past. "
>
> > and
>
> > "The ancient platter-based disks from the 1960's will soon join paper
> > tape and punched cards in the annals of IT history. "
>
> > " In my reproducible benchmarks of SSD vs. platter disks, the response
> > time benefits of using SSD with Oracle are amazing with blistering
> > speeds that result in up to a 300x speed improvement. "
>
> > ( full read athttp://www.dba-oracle.com/t_flash_disk_drives_ssd_ram_san.htm
> > )
>
> > He doesn't mention any drawback to this SSD. Does anyone here has
> > experience with this SSD , and is it as big as mr Burleson says?
>
> > TIA,
> > Helma
>
> Seehttp://www.freelists.org/archives/oracle-l/09-2005/threads.html#01024
> check thread Solid State Disks for Databases
> And especially look at answer by Cary Millsap.
>
> Gints Plivnahttp://www.gplivna.eu

I think the tuning issue would be bigger than just changing I/O, since it would affect various bottlenecks and assumptions Oracle makes about what is memory and what is I/O. Noons comment about redo is still relevant.

Also see Kevin Closson's blog.

jg

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