Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.misc -> Re: Explain what is Oracle Logical IO

Re: Explain what is Oracle Logical IO

From: Niall Litchfield <niall.litchfield_at_dial.pipex.com>
Date: Sat, 23 Aug 2003 20:28:05 +0100
Message-ID: <3f47c041$0$13642$cc9e4d1f@news.dial.pipex.com>


"Billy Verreynne" <dev_at_null.com> wrote in message news:3f4717ad$0$64727_at_hades.is.co.za...
> Yakub wrote:
>
> > Please explain what Oracle Logical IO is
>
>
> Logical I/O != Physical I/O

But Physical I/O = Logical I/O ta da.

Ok what I mean is logical I/O consists of *every* io request (usually for a database block read or update, but also logs etc) that Oracle makes. Physical I/O are those io requests that result in a physical disk access.

-- 
Niall Litchfield
Oracle DBA
Audit Commission UK
*****************************************
Please include version and platform
and SQL where applicable
It makes life easier and increases the
likelihood of a good answer
******************************************
Received on Sat Aug 23 2003 - 14:28:05 CDT

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US