Timeline for Showing resource monitor UI decreases network performance by half
Current License: CC BY-SA 3.0
18 events
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| Mar 14, 2014 at 13:44 | history | tweeted | twitter.com/#!/super_user/status/444469207221411840 | ||
| Oct 2, 2013 at 17:00 | answer | added | James Mertz | timeline score: 0 | |
| Oct 2, 2013 at 16:52 | comment | added | James Mertz | Here's a silly question, have you tried doing anything else that may use graphics as well? Since the graphics is "integrated" it may be using precious CPU power. Try running a lite game, or watching a youtube video while doing the xfer and see if there's a dip in performance. | |
| Aug 22, 2013 at 6:34 | comment | added | Dom | I would guess that the slowdown is caused by the WiFi drivers. When you run Resource Monitor all the drivers/components involved must start reporting Performance Counters. Normally this would add little load and not adversely affect performance, but a bad/faulty driver could do exactly that. | |
| Jul 24, 2013 at 23:57 | comment | added | lornix | Interesting that you've got laptop cabled to router while desktop is wireless. Usually the other way around. Perhaps you could try cabling both systems temporarily? Does the throughput change then also? | |
| Jul 17, 2013 at 14:21 | comment | added | Moshe Katz | Can you try with a different file transfer method (see earlier comment) and see if it does the same thing? I'm working on reproducing it, but haven't been able to do so yet. | |
| Jul 17, 2013 at 7:26 | comment | added | rism | On no the laptop is on a gigabit ethernet connection to the router. So only wireless from Desktop to router. Is anyone able to replicate my finding? | |
| Jul 17, 2013 at 3:26 | comment | added | Moshe Katz | So your desktop has two antennas. But how many does your laptop have? If it has only one, the the data will still max out at 150mbps. It could be something having to do with the implementation of Windows File Sharing that causes the system to have to do extra work while monitoring traffic. An easy way to check would be to transfer using an SFTP server on one of your computers (or any other transfer means) and see if the resource monitor affects that traffic too. That could possibly narrow down the problem. | |
| Jul 16, 2013 at 6:48 | comment | added | rism | @MosheKatz Camo is a desktop system and Steel is a laptop. The drives being directly connected (internally) to each. I've got an ASUS Maximus Vi board which come with an on board MPcie combo card with dual anttennas so I think I should be covered. If you guess is correct then I would never want to see a progress dialog given the drastic effect it has on transfer. I cant see why Windows would need to inspect the data, i thought all these graphs were driven off WMI anyway. | |
| Jul 15, 2013 at 19:03 | comment | added | Moshe Katz | My first guess would be that the very act of displaying data causes the slowdown because it means that Windows has to inspect the data instead of just shoveling it through. It would be interesting to see if you have any speed reduction if you run WireShark during the transfer instead of Resource Monitor. | |
| Jul 15, 2013 at 19:01 | comment | added | Moshe Katz | By the way, note that 150Mbps is the best you'll get if you only have one wifi antenna. To do better, you need a card with 2 or 3 antennas. | |
| Jul 15, 2013 at 19:00 | comment | added | Moshe Katz | I'm guessing that one of those is a network drive? | |
| Jul 11, 2013 at 23:51 | history | edited | Karan |
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| Jul 11, 2013 at 14:34 | history | edited | rism | CC BY-SA 3.0 |
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| Jul 11, 2013 at 14:26 | history | edited | rism | CC BY-SA 3.0 |
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| Jul 11, 2013 at 14:24 | comment | added | rism | Just to be clear, I photoshopped in the red bars. They're not Windows UFOs or anything. | |
| Jul 11, 2013 at 14:21 | history | edited | rism | CC BY-SA 3.0 |
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| Jul 11, 2013 at 13:39 | history | asked | rism | CC BY-SA 3.0 |