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[Xen-users] FW: Reg: Throughput b/w domU & dom0

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Subject: [Xen-users] FW: Reg: Throughput b/w domU & dom0
From: <ramamurthy.suresh@xxxxxxxxx>
Date: Wed, 2 Jul 2008 17:13:02 +0530
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Thread-topic: Reg: Throughput b/w domU & dom0

Hi all,

 

I used netperf to measure throughput between dom0 & domU.

 

The throughput between dom0 -> domU was 256.00 Mb/sec

                                    domU -> dom0 was 401.15 Mb/sec.

 

1) Dom0 –> DomU:

 

Recv

Socket

Size bytes

Send

Socket

Size bytes

Send

Message

Size bytes

Elapsed

Time

Secs.

Throughput

Mbs/sec

87380 

16384 

16384 

10.01

231.61

 

 

2) DomU –> Dom0:

 

Recv

Socket

Size bytes

Send

Socket

Size bytes

Send

Message

Size bytes

Elapsed

Time

Secs.

Throughput

Mbs/sec

87380 

16384 

16384 

10.01

409.11

 

The throughput between dom0 & domU seems to be very asymmetry. To my surprise the throughput between domU -> dom0 is more. The value which I specified are consistent values. Is there any reason for throughput being more between domU -> dom0? Please share if you have any information regarding this.

 

Thanks in advance,

Suresh.

 

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