Ran iperf on straight linux vxlan interfaces between the same 2 hosts.
In that case the I see a throughput of 7.04 gbps
My guess at this point is the 3.03 Gbps reduction is caused by linux
bridge in the overlay space. Would appreciate any insight.
On Thursday, September 15, 2016 at 2:47:31 PM UTC-7, sgas wrote:
> Thanks, rerun the iperf test at higher MTU .
> MTU: 8950 : 4.01 Gbits/sec
> On Thursday, September 15, 2016 at 9:58:20 AM UTC-7, sgas wrote:
>> The following are some numbers I observed with iperf across containers
>> on 2 hosts .
>> MTU 1450 : 1.11 Gbits/sec
>> A bigger MTU obviously will increase the throughput . Here are some
>> questions that anyone probably would ask at this point. All these are in
>> the context of overlay networks.
>> 1. What is the timeline to support bigger mtu ( provided underlying
>> infrastructure supports ) .
>> 2. Is there a plan to use vxlan offload if supported by the NIC ?
>> 3. Any thoughts on mix mtu environment ( e.g say one container at
>> mtu 1450 and the other at 8950 ) ?
>> 4. Any thoughts on interacting with other devices that support
>> vxlan/vtep (e.g switches , routers ) ?
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