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my setup is the following:

TP-Link TL-ER5120 Gigabit Load Balance Router

The router has 2 WANs and 3 LANs connected to it:

  • LAN 1 Cable goes to a TP-Link SG-1024 Gigabit Switch (24 gigabit ports)
  • LAN 2 Cable goes to a wireless router
  • LAN 3 Cable 3 goes to a wireless router

So, my server is currently connected to the gigabit switch via 1 cable. The server is used by about 20 people for project management and ownCloud (file sharing).

Would it improve performance to add another gigabit ethernet card and connect it to the switch on another port?

NOTE: The load balancer sends all port 80 and 443 requests to the IP that the current network card has. If I add another card I wouldn't be able to redirect traffic from port 80 and 443 to it I think.

Mihail Minkov
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  • What's your operating system? – Andrew Henle Dec 07 '16 at 01:34
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    Are you saturating a single link? – Spooler Dec 07 '16 at 01:36
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    It depends. Where are you seeing performance issues? – Jason Dec 07 '16 at 01:37
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    `Would it improve performance to add another gigabit ethernet card and connect it to the switch on another port?` - Does a performance problem actually exist? – joeqwerty Dec 07 '16 at 03:43
  • The server uses Ubuntu 16.04 I am not sure if I am saturating but when about 20 people are connected at the same time it tends to get slow, the thing there is that I am not sure whether it's processor related or network related. The PC has a 4th-gen Core i5 and 8 gb ddr3 ram. – Mihail Minkov Dec 07 '16 at 04:36
  • You are supposed to identify the bottleneck *first* and then think about how to widen it. Not the other way around. – Daniel Dec 07 '16 at 07:21
  • I don't consider this being a duplicate, I just asked if it would increase performace or it wouldn't have any positive effect. – Mihail Minkov Dec 07 '16 at 17:50

2 Answers2

1

Would an extra gigabit ethernet card improve server performance?

Yes

If lack of bandwidth is your bottleneck.

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1

Would an extra gigabit ethernet card improve server performance?

No

If the server is low on CPU or Memory, has slow disks or the application is crap etc. then adding more bandwidth won't improve a thing.

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