Re: Testing Direct I/O

From: Nuno Souto <dbvision_at_iinet.net.au>
Date: Wed, 15 Feb 2006 19:17:12 +1100
Message-ID: <43F2E388.20104@iinet.net.au>

Khemmanivanh, Somckit said,on my timestamp of 15/02/2006 3:25 AM:

> Can you clarify this somewhat?
>
>

>>>>If in your HPUX environment you are using the extensions

>
> to the Veritas file system, I strongly suggest that
> you don't bother with dio and concentrate instead
> on optimising that environment: much less pain,
> much more gain.<<<
>

HPUX coems with vxfs, but it's a basic version. In order to get the really nice extra features of the full version Veritas File System (asynch IO, direct IO, direct buffers, intelligent read-ahead, etcetc) you have to pay an extra licence.

-- 
Cheers
Nuno Souto
dbvision_at_iinet.net.au
--
http://www.freelists.org/webpage/oracle-l

Received on Wed Feb 15 2006 - 02:17:12 CST