From: Wei Liu <wei.liu2@citrix.com>
To: jacek burghardt <jaceksburghardt@gmail.com>
Cc: xen-users <xen-users@lists.xen.org>,
wei.liu2@citrix.com,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: network bug in xen 4.5?
Date: Thu, 10 Apr 2014 09:39:44 +0100 [thread overview]
Message-ID: <20140410083943.GC5690@zion.uk.xensource.com> (raw)
In-Reply-To: <CAHyyzzRr90XDn1CO0R6-CuETUMkopZNXoTRL7RSk-=AzTXEJOQ@mail.gmail.com>
On Wed, Apr 09, 2014 at 08:26:16PM -0600, jacek burghardt wrote:
> I believe there is a bug in networking under xen 4.5. When I copy files
Xen 4.5 is not out yet.
> between pv and hvm on same bridge I get 80 mb/s download speed. When I copy
> same file from pv to hvm on another server running same xen version I only
> get 1 to 3 mb/s speed. I have 6tb of data that I had copied to server with
> dual quad xeon cpus and trying to copy the files back to my server and wit
> that slow speed it will take days to do it
This looks like a hardware driver issue to me. The speed for copying
between VMs on the same host looks normal. 80 is probably the speed
limit of your disk. What number can you get if you copy file from Dom0
to remote host?
Wei.
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2014-04-10 8:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-10 2:26 network bug in xen 4.5? jacek burghardt
2014-04-10 7:27 ` Jan Beulich
2014-04-10 8:39 ` Wei Liu [this message]
2014-04-10 14:24 ` jacek burghardt
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