em0 NIC slow on 8.2-p1 amd64?

Mike Tancsa mike at sentex.net
Fri Jul 22 18:06:35 UTC 2011


On 7/22/2011 1:50 PM, Eduardo Morras wrote:
> At 17:12 21/07/2011, Michael W. Lucas wrote:
>> On Thu, Jul 21, 2011 at 05:01:57PM +0200, Eduardo Morras wrote:
>> >
>> > Have you tried other protocols? Http, rsync... It maybe a problem at
>> > client side, some ftp clients can set a maximun ftp transfer, like
>> > filezilla, winscp,
>>
>> FTP and NFSv3 both have similar results.
>>
>> ==ml
> 
> Perhaps you have reached the maximum disk speed. Sorry not more ideas,
> but it doesn't look like a nic problem. Put the file in cache before
> sending it. If it's faster the problem is a bottleneck on hard disk or
> sata/ata/usb bus.

What if you do a fetch -o /dev/null {http|ftp}://remotesite/file

and see what speeds you get. That would get rid of the disk as an io issue

	---Mike

> 
> HTH
> 
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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
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