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List:       openvswitch-discuss
Subject:    [ovs-discuss] Transfer Data rate is slowly
From:       iben.rodriguez () gmail ! com (Iben Rodriguez)
Date:       2012-12-14 14:01:33
Message-ID: CAAaURPhqbZTNNOE5brOFZDD7twrxXYEMJM3u3DagU132ggK8eQ () mail ! gmail ! com
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Of course there are many possible reasons for this such as the virtual
machine not having sufficient resources in CPU, RAM and Storage IOPS.

You probably want to use IPERF to test network throughput...

http://sourceforge.net/projects/iperf/

Do it first on your bare metal machine to the VM and that will show you
what the native throughput of the OVS is internally.  Then you can run it
over your network.

Test 1: VM through OVS to Host <-- test the OVS
Test 2: Host through network to another bare metal box <-- test the network
Test 3: VM through OVS through network to another bare metal box <-- test
both OVS and network

By comparing these 3 results you can make a decision as to the performance
impact of the OVS to a virtual machine.


I b e n
+14087824726
Skype: ibenrodriguez



On Fri, Dec 14, 2012 at 4:28 AM, hasan mustafa <hasan8322 at gmail.com> wrote:

>
>
>
>
>
> this is topology
>
>             |-----------------------------------------------------|
> |-----------------------------------------------|
>             |     vm               vm       vm              |        |
>                                            |
>             |      (ubuntu)     (xp)    (windows 7)    |        |
>                                      |
>             |          |                |              |           |
>     |               windows 7                 |
>             |          |                |              |           |
>     |                                               |
>             |          |--------------- |--------------|            |
>     |                                               |
>             |                           |                          |
>     |                                               |
>             |                           |                          |
>     |                                               |
>             |             Open Vswitch                     |        |
>                                            |
>             |-------- |-----------------------------|---------------|
>   |-------------------|-------------------------- |
>                       |                             |
>                      |
>                     eth0
> eth1-------------------------------------eth0
>
> # ovs-vsctl show
>     bridge br-int
>            port "vnet1"
>                     Interface "vnet1"
>            port "vnet2"
>                     Interface "vnet2"
>           port "eth1"
>                     Interface "eth1"
>           port "vnet0"
>                     Interface "vnet0"
>           port  br-int
>                      type: internal
>                      Interface br-int
>
> in vm(xp) i install ftp server...then i try download file from vm (windows
> 7)..and why transfer data rate very slow, just 14 KB/sec ?
>
>
> _______________________________________________
> discuss mailing list
> discuss at openvswitch.org
> http://openvswitch.org/mailman/listinfo/discuss
>
>
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