Re: Disk IO scheduling
Date: Tue, 23 Dec 2003 09:32:13 -0500
Go to http://tahiti.oracle.com and check out the Oracle server concepts manual.
"hantheman" <hantheman12_at_hotmail.com> wrote in message
> Hi all,
> I'm looking into how databases work.
> 1) Is it possible for DBMS's to schedule disk IO such that if 3
> transactions are running concurrently, it sorts the accessess by how
> near they are to eachother (to reduce the number of seeks).
> 2) I think this is a good idea, but does this complicate transaction
> handling? What if timestamp ordering is used?
> 3) Does asynchronous IO API's schedule disk IO this way?
Received on Tue Dec 23 2003 - 15:32:13 CET