[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] streaming server on a virtual machine.
On Sun, Sep 27, 2009 at 12:56 AM, Mauro <mrsanna1@xxxxxxxxx> wrote: > 2009/9/26 Grant McWilliams <grantmasterflash@xxxxxxxxx>: >> >> I will also add that if Xen has a bottleneck it's traffic between DomUs. >> Don't configure it in any way to have >> one DomU servicing another DomU unless both have real network cards >> attached to them. > Thank you for your answer it was very exhaustive. > I've learned a new thing, that is the poor performance in traffic > between domU in the same machine rather than domU in different > machines. > I've a domU with tomcat and many jruby applications and, in the same > machine, another domU as database server with postgres. > Based on what you say I've to reconfigure my systems to have domU in > different machines. Were you having network performance problems? There was a thread on this list some time ago about domU <-> domU network performance, and the ones that experience it were using newer pv_ops kernels while people who use 2.6.18 kernel (like RHEL/Centos5) or Suse -xen kernel got good performance. http://www.nabble.com/Fw%3A-Re%3A-bridge-throughput-problem-tt25328188.html#a25351569 Instead of having a second physical server just to get decent performance, I'd say it's easier to simply change your dom0 kernel. -- Fajar _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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