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#1 2019-02-12 19:06:34

Jonnobrow
Member
Registered: 2019-02-12
Posts: 3

Download speeds are significantly slower than they should be

I have had Arch for around 6 months and across various different installs.

One issue that seems to persist is that my download speeds are significanlty slower than they should be. (See the attached image)

https://imgur.com/ydsUt0r

Not really sure what to do about this issue, thanks in advance.

Last edited by Jonnobrow (2019-02-12 19:10:22)

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#2 2019-02-12 19:26:59

loqs
Member
Registered: 2014-03-06
Posts: 8,148

Re: Download speeds are significantly slower than they should be

Welcome to the arch linux forums Jonnobrow.
What type of connection is being used,  what NIC,  what driver,  what speeds are expected?
If there is a router have you checked if the issue is the link to the router or upstream of the router?

Last edited by loqs (2019-02-12 19:27:32)

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#3 2019-02-12 19:32:12

Jonnobrow
Member
Registered: 2019-02-12
Posts: 3

Re: Download speeds are significantly slower than they should be

loqs wrote:

What type of connection is being used,  what NIC,  what driver,  what speeds are expected?

I am using Ethernet Connection

Network Interface Stuff:

02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
	Subsystem: Dell RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
	Flags: bus master, fast devsel, latency 0, IRQ 16
	I/O ports at d000 [size=256]
	Memory at d5204000 (64-bit, non-prefetchable) [size=4K]
	Memory at d5200000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: r8169
	Kernel modules: r8169

03:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)
	Subsystem: Intel Corporation Dual Band Wireless-AC 7265
	Flags: bus master, fast devsel, latency 0, IRQ 139
	Memory at d5100000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi

I am not sure how to find the drivers

I would expect around 1 Gbps based on the speeds I get on my windows PC

loqs wrote:

If there is a router have you checked if the issue is the link to the router or upstream of the router?

Into a University network and also experience no issues with my other PC from the same port.

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#4 2019-02-12 20:35:55

loqs
Member
Registered: 2014-03-06
Posts: 8,148

Re: Download speeds are significantly slower than they should be

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#5 2019-02-13 08:02:20

seth
Member
Registered: 2012-09-03
Posts: 11,950

Re: Download speeds are significantly slower than they should be

Interestingly there seems to be 970Mbps upstream.
Please rule out browser/HDD trackers/shit and try https://linhost.info/2013/10/download-test-files/ (notice that the wget output is MB/s, ie. Mbps/8)

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#6 2019-02-14 11:38:28

Jonnobrow
Member
Registered: 2019-02-12
Posts: 3

Re: Download speeds are significantly slower than they should be

seth wrote:

Interestingly there seems to be 970Mbps upstream.
Please rule out browser/HDD trackers/shit and try https://linhost.info/2013/10/download-test-files/ (notice that the wget output is MB/s, ie. Mbps/8)

This seems to actually yield a speed that I was expecting, any ideas how I could replicate this through applications?

Thanks.

Last edited by Jonnobrow (2019-02-14 11:39:54)

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#7 2019-02-14 14:15:54

seth
Member
Registered: 2012-09-03
Posts: 11,950

Re: Download speeds are significantly slower than they should be

The problem is possibly not the download speed, but some disk I/O, try whether sth. like

wget -O ~/bigfile.bin http://mirror.nl.leaseweb.net/speedtest/1000mb.bin

is slow as well ("-O ~/bigfile.bin" is the crucial bit, writing to your $HOME. You might try other locations incl. /tmp, but ensure to have enough RAM to hold the file)

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