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[Xen-users] low net throughput in 3.0.3

from [marek cervenka]

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Subject:	[Xen-users] low net throughput in 3.0.3
From:	marek cervenka <cervajs@xxxxxxxxxx>
Date:	Thu, 26 Oct 2006 11:22:41 +0200 (CEST)
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hi,

i have made few simple tests
2 supermicro P4 HT 3Ghz 2GB ram, 2x sata in sw raid1, net tg3 driver
OS centos4.4 (dom0,domU)

server1 has xen 3.0.1 (2.6.12.6 - compiled, SMP on)server2 has xen 3.0.3 (2.6.16.29 - compiled, SMP on)

domU paravirtual, 128MB ram, loopback

server1
domU-1-1#wget http://ip-domU-1-2/test.file (150MB)
throughput 17-20MB/s (average 18MB/s)

server2

domU-2-1#wget http://ip-domU-2-2/test.file (150MB) (-O test.file or -O/dev/null gave same results)

throughput 1-8MB/s (average 4.5Mb/s)

can you explain someone bad results for xen3.0.3?

---------------------------------------
Marek Cervenka
Centrum Vypocetni Techniky
CVT             - http://cvt.fpf.slu.cz
FPF SLU OPAVA   - http://www.fpf.slu.cz
LCNA            - http://lcna.slu.cz
=======================================


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