Horton

Re: What X86/X64 OS's do we need coverage for?

Devrim GÜNDÜZ <devrim@commandprompt.com>

View thread
From: Devrim Gündüz <devrim@CommandPrompt.com>
To: "Matthew T. O'Connor" <matthew@tocr.com>
Cc: Larry Rosenman <ler@lerctr.org>, "'Joshua D. Drake'" <jd@CommandPrompt.com>, pgsql-hackers@postgresql.org
Date: 2007-04-06T06:42:38Z
Lists: pgsql-hackers 
Hi,

On Fri, 2007-04-06 at 01:23 -0400, Matthew T. O'Connor wrote:
> 
> The other thing to consider is that CentOS 5 has Xen built right in,
> so you should be able run VMs without VMWare on it. 

... if the kernel of the OS has Xen support, there will be no
performance penalty (only 2%-3%) (Para-virtualization). Otherwise, there
will be full-virtualization, and we should expect a performance loss
about 30% for each guest OS (like Windows).

Regards, 
-- 
Devrim GÜNDÜZ
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
Managed Services, Shared and Dedicated Hosting
Co-Authors: plPHP, ODBCng - http://www.CommandPrompt.com