I have not tried with other forms of networking yet, indeed it might be a good idea to see how it behaves then. I am aware of the limitations of NAT in VBox but in all honesty, I doubt that low-level TCP stack would have much influence on the app I am trying to profile (as long as the former works of course).
Anyhow, I'll try and report back. On Wed, Feb 1, 2012 at 3:12 PM, Giles Coochey <[email protected]> wrote: > On 2012-02-01 13:27, Jakub Skoczen wrote: >> Hi Folks, >> >> I'm really hoping someone might have some insight here. I am running >> a >> CentoOS 5 guest on my Mac configured with NAT. VB is forwarding two >> ports to it: SSH (222->22) and a custom port to access my server >> program (9010 -> 9003). All works nicely until I start pushing it a >> bit harder with requests (I run jMeter on the host to perf test the >> server program, using about 5 threads), at which point the networking >> to the VM stops working, my SSH connections timeout and I can't ssh >> in >> anymore. The VM stays active and I can log in to it fine through the >> VB console. I tried checking various system logs on the guest and >> host, VB logs. Heck, I even tried increasing the number of per >> process >> open files on OS X (in case I'm running out of sockets) -- no luck. >> Any ideas? How can I at least diagnose what the problem is? >> >> >> VirtualBox 4.1.8 >> OS X 10.6.8 >> CentOS 5.7 >> > > This is not an authoritative statement, but I don't think it's a > particularly good idea to do performance testing with a limited > implementation of NAT as part of the test process, especially if your > production environment will not be using that implementation. > There are some limitations to the NAT within Virtualbox documented > here: http://www.virtualbox.org/manual/ch06.html#nat-limitations > > Do you get the same problem with a bridged or host only setup? > > -- > Message sent via my webmail account. > > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > VBox-users-community mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/vbox-users-community -- Cheers, Jakub ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ VBox-users-community mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/vbox-users-community
