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[Xen-devel] Re: Jeremy's GIT-tree and network problems
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| Subject: | [Xen-devel] Re: Jeremy's GIT-tree and network problems |
| From: | Stephan Seitz <stse+xen@xxxxxxxxxxxxxxxxxxx> |
| Date: | Tue, 30 Mar 2010 21:39:01 +0200 |
| Delivery-date: | Tue, 30 Mar 2010 12:39:56 -0700 |
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On Tue, Mar 30, 2010 at 10:30:06AM -0400, Konrad Rzeszutek Wilk wrote: So here is an interesting observation (And I am late in this thread so if I am going off on a tangent, please correct me): We compiled both in DomU and Dom0 the kernel to not have any traces of iptables nor igbtables. The performance of scp-ing a tarball from Dom0 to DomU went from 0.5MB to 17MB/s (which is about the disk speed). Interesting. Copying a kernel.tar.bz2 from Dom0 to DomU with scp gives a speed of 30.7MB/s, even if both kernels have iptables support. I don't know if you feel inclined to actually try such a drastic option to see if that is your culprit or not, but it is worth keeping in the back of your head. But I fear, that this is not my problem, and I need iptables in DomU at least for masquerading.
Shade and sweet water!
Stephan
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