> From: Ivan Voras <[EMAIL PROTECTED]>

> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]
> Sent: Friday, November 14, 2008 8:55:13 PM
> Subject: Re: IRQ31 and IRQ32 on HPDL585 running FreeBSD 7.0 are consuming 
> HIGH CPU usage
> 
> Won De Erick wrote:
> 
> >      17002  1634   25720672      16423     0    1143508     0     0
> >      16943  1643   25629892      16642     0    1160858     0     0
> >      16995  1644   25708823      16539     0    1153782     0     0
> >      17026  1643   25758462      16606     0    1153342     0     0
> 
> What do you use for generating the traffic?
> 

I used w-get in bombarding tcp traffic w/ thousand of sessions.

> > However, network throughput didn't change in the two scenarios above.
> > Is there anything that I can test to improve my network throughput.
> 
> I'm not sure but you could maybe try disabling all but one of your CPUs
> and see if anything changes. It looks like you have at least 16 CPUs. On
> my machine, with 8 CPUs (2xquad core) I get roughly 150,000 PPS before I
> hit a similar single-CPU-bound network processing bottleneck (also with
> IntelĀ® PRO/1000 PT/Server) - which is too low for my needs so I'm
> searching for a solution. In my case I don't see transmission errors.

will try this.





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