netdev - Re: Testing server performance

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Date:	Mon, 12 Dec 2011 09:32:22 -0800
From:	Ben Greear <greearb@...delatech.com>
To:	igorm@....rs
CC:	netdev@...r.kernel.org
Subject: Re: Testing server performance

On 12/12/2011 01:24 AM, Igor Maravić wrote:
>> Check the bus speed and width on your NICs.  dmesg usually shows this
>> info when the interfaces are first detected.
>>
>> If you can, try some Intel NICs..they will usually run wire speed
>> if the motherboard is reasonably fast.
>>
>> Thanks,
>> Ben
>
> Thanks for the advice.
> I' ll see if I can find some Intel NICs.
>
> NIC's specs says that they support 32-bit 33/66MHz clock speed PCI Bus
> Master operation.
> Should that be enough?

No, probably not.  Your motherboard may only be 32/32mhz as well?

You really need pci-e (or high-end pci-x) for good 1Gbps performance.

On any modern system, use pci-e nics if you can.

Thanks,
Ben

>
> I'll see what dmesg showed tomorow, because I'm not at my computer currently.
> BR
> Igor
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-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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