RE: Comparison of FreeBSD/Linux TCP Throughput performance

2009-10-16 Thread Hongtao Yin
This is one of the first things we tried. Does anyone have the tuned parameters? Actually we are looking for info like 1. Any bugs in Freebsd driver which have been fixed in linux kernel 2. Any TCP features/RFCs implemented in Linux, but not in Freebsd 3. Any other discrepancies b

Re: Comparison of FreeBSD/Linux TCP Throughput performance

2009-10-16 Thread Francisco Reyes
Hongtao Yin writes: I ran newer FreeBSD code 8.0 RC1 this time. By using NetPIPE, we collected Check man tuning There are a few parameters there worth exploring. For example check the section on net.inet.tcp.sendspace and net.inet.tcp.recvspace __

Re: Comparison of FreeBSD/Linux TCP Throughput performance

2009-10-16 Thread István
Thanks! Regards, Istvan 2009/10/16 Steve Dong > Here are graphs from the netpipe test results with 8.0 RC1 > > > Thanks, > Steve > > > > -Original Message- > From: owner-freebsd-performa...@freebsd.org > [mailto:owner-freebsd-performa...@freebsd.org] On Behalf Of Hongtao Yin > Sent: Thu

Re: Comparison of FreeBSD/Linux TCP Throughput performance

2009-10-16 Thread István
I see. It shows that linux default setup is better. Have you seen any FreeBSD performance tuning guides? Regards, Istvan 2009/10/16 Hongtao Yin > Istvan, > > > > I ran newer FreeBSD code 8.0 RC1 this time. By using NetPIPE, we collected > test data and the result shows that FreeBSD TCP perfor

Re: Comparison of FreeBSD/Linux TCP Throughput performance

2009-10-16 Thread Claus Guttesen
> Really.  Don't post attachments to mailing lists.  It's just a bad idea, > a lot of people will be upset with the bandwidth it consumes.  Keep in > mind that not everyone on the list is interested in every conversation. Disclaimers should go the same way too! :) echo " *

Re: Comparison of FreeBSD/Linux TCP Throughput performance

2009-10-16 Thread Bill Moran
Steve Dong wrote: > > It looks the jpeg attachments were somehow dropped. Trying again with pdf > attachment. Hopefully it works this time. Really. Don't post attachments to mailing lists. It's just a bad idea, a lot of people will be upset with the bandwidth it consumes. Keep in mind that no

Re: Comparison of FreeBSD/Linux TCP Throughput performance

2009-10-16 Thread David Kelly
On Oct 16, 2009, at 12:53 AM, Steve Dong wrote: It looks the jpeg attachments were somehow dropped. Trying again with pdf attachment. Hopefully it works this time. *I* saw two jpeg charts at the very bottom of Steve's top-posted reply. This demonstrates just one of many evils of top-post