From: Fabio Coatti <cova@ferrara.linux.it>
To: Martin Vogt <vogt@itwm.fraunhofer.de>
Cc: kvm@vger.kernel.org
Subject: Re: KVM benchmarks (compared to vmware)
Date: Mon, 17 Nov 2008 14:10:52 +0100 [thread overview]
Message-ID: <200811171410.52604.cova@ferrara.linux.it> (raw)
In-Reply-To: <492163E7.4050203@itwm.fraunhofer.de>
lunedì 17 novembre 2008, hai scritto:
> Hello list,
>
> I did some benchmarks over the weekend and compared
> kvm-78 on a 2.6.27.4-2-default against vmware server 2.0.0-122956
>
> Host Machine:
> - Host E8400 (3GHz) 2GB RAM
> - virtual machines are on iSCSI or NFS
> - virtual machine is booted with -m 1024 and e1000
> 3. Bench
> =========
> Now the NIC performance from within the VM to the outer world,
> (measured with tcpspray--program writes to the discard service over tcp)
>
> VM->outer world
>
> 1. iSCSI kvm : 12 MB/s
> 2. NFS kvm : 12 MB/s
> 3. VMWare : 50 MB/s
>
> now the reverse:
>
> outer world->VM
>
> 1. iSCSI kvm : 50 MB/s
> 2. NFS kvm : 50 MB/s
> 3. VMWare : 100 MB/s
>
> but here the kvm results varies from 30MB/s - 70MB/s
Do you have any benchmark using virtio network driver, by any chance? From
your mail I guess that you used e1000 driver in each case, right?
--
Fabio "Cova" Coatti http://members.ferrara.linux.it/cova
Ferrara Linux Users Group http://ferrara.linux.it
GnuPG fp:9765 A5B6 6843 17BC A646 BE8C FA56 373A 5374 C703
Old SysOps never die... they simply forget their password.
prev parent reply other threads:[~2008-11-17 13:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-17 12:30 KVM benchmarks (compared to vmware) Martin Vogt
2008-11-17 13:08 ` Joerg Roedel
2008-11-17 13:10 ` Fabio Coatti [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200811171410.52604.cova@ferrara.linux.it \
--to=cova@ferrara.linux.it \
--cc=kvm@vger.kernel.org \
--cc=vogt@itwm.fraunhofer.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox