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ddougan

Speed test results

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ddougan

Hi,

 

I'm in the midst of a trial of Domotz, which I have running on a QNAP NAS. I am getting emails from the service with speed test results that are completely out of line with what I see if I run via a browser. The emails are talking about speeds in the mid 20 Mbps, while I'm seeing over 200 Mbps in the browser.

 

Anyone else seeing this kind of result, or able to explain why I'm getting emails with results that are so different?

 


Thanks,

Des

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Giancarlo
12 hours ago, ddougan said:

Hi,

 

I'm in the midst of a trial of Domotz, which I have running on a QNAP NAS. I am getting emails from the service with speed test results that are completely out of line with what I see if I run via a browser. The emails are talking about speeds in the mid 20 Mbps, while I'm seeing over 200 Mbps in the browser.

 

Anyone else seeing this kind of result, or able to explain why I'm getting emails with results that are so different?

 


Thanks,

Des

 

Dear Des,

 

I assume you refer to the email Alerts received from Domotz. Can you please forward those email to our Support, so that the issue can be investigated.

 

Thanks,

Giancarlo

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prosourceav

I am having the same issue. Ookla posts speed tests of ~400Mb down/ ~20Mb up. Domotz is all over the board from 50MB through 160MB down/ ~20MB up. What's the deal?

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Generalmark2

I am also seeing the same. up and down only around 10 each ,

browser reporting 80-150 ish.

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Mark55

Same issue here. Two totally different results within the same minute.

 

Speed.PNG

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Giancarlo

Different Internet performance tests measure different things in different ways. M-Lab’s NDT test (used by Domotz Agent) tries to transfer as much data as it can in ten seconds (both up and down), using a single connection to an M-Lab server. Other popular tests (such as Ookla in your screenshot) try to transfer as much data as possible at once across multiple connections to their server.

 

Moreover protocol is also very different: while M-Lab performs test on TCP stack, Ookla perform the test on HTTP: some ISP provider might give priorities to those type of packets (HTTP ones) just to appear faster when tests are performed with those methodologies.

 

Neither method is “right” or “wrong,” but using a single stream is more likely to help diagnose problems in the network than multiple streams would.

I would recommend performing a comparison test using the same methodology. Here is a link for that:

https://speed.measurementlab.net/#/

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Rockridge
On 7/21/2019 at 8:21 AM, Giancarlo said:

Different Internet performance tests measure different things in different ways. M-Lab’s NDT test (used by Domotz Agent) tries to transfer as much data as it can in ten seconds (both up and down), using a single connection to an M-Lab server. Other popular tests (such as Ookla in your screenshot) try to transfer as much data as possible at once across multiple connections to their server.

 

Moreover protocol is also very different: while M-Lab performs test on TCP stack, Ookla perform the test on HTTP: some ISP provider might give priorities to those type of packets (HTTP ones) just to appear faster when tests are performed with those methodologies.

 

Neither method is “right” or “wrong,” but using a single stream is more likely to help diagnose problems in the network than multiple streams would.

I would recommend performing a comparison test using the same methodology. Here is a link for that:

https://speed.measurementlab.net/#/

 

I am getting different results from domotz, the link you shared above and also this link - https://www.measurementlab.net/tests/ndt/

Thoughts?

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Megachip

Hi Community,

 

I've a similar issue. Download speed seems fine/reliable, but upload is totally off. Should be around 200/900/9900, is about 10/20/30.

Agents are a dedicated raspberry 4 and a docker container.

 

Best

Meg

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Megachip

Ah, so it's an MLAB issue :( Maybe they do not have the backbone to handle uploads in 1 or 10G areas...

Edited by Megachip

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Intelligent_Technology_Group

So why is it that the test is so inconsistent when running one after another on the luxul box. i get 223 and then 3 seconds later 99 and then another test puts it at 300. meanwhile a test using any of the 4 major speed test sites from a mac pro in the same racks gives me the full 1gb download speed the customer is paying for. if the speedtest doesnt match the actual wan dload speed what good is the domotz box for monitoring wan connection speed. the mlab speed from the computer onsite doesnt even match the domotz box. 

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henriquesalvador

Hi @Intelligent_Technology_Group,

 

It really depends on the route the ISP takes to the nearest server and the load at the moment of the speedtest. You may try the same test as the Domotz Box here: https://speed.measurementlab.net/#/ 

 

I know that the single stream speedtest sometimes will not reach the expected, we are working on a second option that tests with multiple streams, for your scenario it will be ideal.

 

I just sent you an email so we can work on your case.

 

Kind regards,

Henrique Salvador

Domotz Support

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