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thadrumr
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Posts: 32
Joined: Sat Dec 23, 2017 2:02 am

CHR Performance issues Hyper-V

Wed Nov 07, 2018 8:05 pm

I am having an odd issue where I can't get a CHR vm version 6.43.4 to get what I would expect doing a bandwidth test to 127.0.0.1. On a DL380 G6 server with Xeon 5650 I am only getting like 3Gbps and I can't get the cpu usage in the VM to go over 50% on any one core. Its like it's geting limited by the guest os or something. I have tested the raw iperf throughput on the vswitch and I can get 5.5Gbps between two linux vm's on the same host. Just wondering how to get the best performance out of my CHR VM
 
Kindis
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Location: Sweden

Re: CHR Performance issues Hyper-V

Fri Nov 09, 2018 11:10 am

What license do you have on the CHR?
 
thadrumr
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Re: CHR Performance issues Hyper-V

Fri Nov 09, 2018 9:21 pm

The license level doesn't matter if you are doing a bandwidth test to 127.0.0.1 as far as I know. Though I do have the P1 license.
 
beambarossa
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Joined: Tue Mar 07, 2017 4:35 am

Re: CHR Performance issues Hyper-V

Sat Dec 22, 2018 7:50 am

I am seeing exactly the same issue on one of our servers in production - tcp results 29.9gbps udp struggles with 1.2gbps and lots of packet loss.

We are having vlan tx drop issues hence looking into the issue.

I have a spare test box with the free licence on identical hardware and gets 11gbps udp 29.9 tcp

Did you get anywhere?

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