Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-08-05 Thread Stuart Henderson
On 2012-08-05, Kapeatanakis Giannis wrote: > On 05/08/12 00:13, Mike Belopuhov wrote: >> to elaborate on this point a bit: please make sure you understand what >> you're testing! tcpbench and iperf both test how fast your tcp or udp >> server running in userland can receive and transmit informat

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-08-05 Thread Claudio Jeker
On Sun, Aug 05, 2012 at 01:50:26PM +0300, Kapeatanakis Giannis wrote: > On 05/08/12 00:13, Mike Belopuhov wrote: > >to elaborate on this point a bit: please make sure you understand > >what you're testing! tcpbench and iperf both test how fast your > >tcp or udp server running in userland can recei

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-08-05 Thread Kapeatanakis Giannis
On 05/08/12 00:13, Mike Belopuhov wrote: to elaborate on this point a bit: please make sure you understand what you're testing! tcpbench and iperf both test how fast your tcp or udp server running in userland can receive and transmit information through the socket interface. this has nothing to

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-08-04 Thread Mike Belopuhov
On Sat, Aug 04, 2012 at 17:43 +0200, Claudio Jeker wrote: > On Tue, Jul 24, 2012 at 02:22:57PM +0200, Henrik Lund Kramshøj wrote: > > On 24/07/2012, at 14.16, Otto Moerbeek wrote: > > > > > On Tue, Jul 24, 2012 at 01:52:03PM +0200, Peter Hessler wrote: > > > > > >> On 2012 Jul 24 (Tue) at 12:40:00

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-08-04 Thread Claudio Jeker
On Tue, Jul 24, 2012 at 02:22:57PM +0200, Henrik Lund Kramshøj wrote: > On 24/07/2012, at 14.16, Otto Moerbeek wrote: > > > On Tue, Jul 24, 2012 at 01:52:03PM +0200, Peter Hessler wrote: > > > >> On 2012 Jul 24 (Tue) at 12:40:00 +0200 (+0200), Henrik Lund Kramsh?j > wrote: > >> :Current tuning, ap

10Gbit Intel 10GbE SFP+ (82599) performance

2012-07-24 Thread Henrik Lund Kramshøj
Hi I have bought two lab systems for testing 10Gbit and have some issues with 10Gbit performance. Note: I have the devices triple-booting FreeBSD, Linux and OpenBSD and can get about 9.4Gbits/sec with Linux iperf using iperf -t 60 I have read and updated kernel to latest snapshot OpenBSD 5.2 (GEN

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-07-24 Thread Henrik Lund Kramshøj
On 24/07/2012, at 14.16, Otto Moerbeek wrote: > On Tue, Jul 24, 2012 at 01:52:03PM +0200, Peter Hessler wrote: > >> On 2012 Jul 24 (Tue) at 12:40:00 +0200 (+0200), Henrik Lund Kramsh?j wrote: >> :Current tuning, apart from kernel defaults: >> :and also modified /etc/sysctl somewhat - most changes

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-07-24 Thread Otto Moerbeek
On Tue, Jul 24, 2012 at 02:22:57PM +0200, Henrik Lund Kramsh?j wrote: > > On 24/07/2012, at 14.16, Otto Moerbeek wrote: > > > On Tue, Jul 24, 2012 at 01:52:03PM +0200, Peter Hessler wrote: > > > >> On 2012 Jul 24 (Tue) at 12:40:00 +0200 (+0200), Henrik Lund Kramsh?j wrote: > >> :Current tuning,

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-07-24 Thread Otto Moerbeek
On Tue, Jul 24, 2012 at 01:52:03PM +0200, Peter Hessler wrote: > On 2012 Jul 24 (Tue) at 12:40:00 +0200 (+0200), Henrik Lund Kramsh?j wrote: > :Current tuning, apart from kernel defaults: > :and also modified /etc/sysctl somewhat - most changes below are from > :https://calomel.org/network_perform

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-07-24 Thread Henrik Lund Kramshøj
On 24/07/2012, at 13.52, Peter Hessler wrote: > On 2012 Jul 24 (Tue) at 12:40:00 +0200 (+0200), Henrik Lund Kramshøj wrote: > :Current tuning, apart from kernel defaults: > :and also modified /etc/sysctl somewhat - most changes below are from > :https://calomel.org/network_performance.html: > > Re

Re: 10Gbit Intel 10GbE SFP+ (82599) performance

2012-07-24 Thread Peter Hessler
On 2012 Jul 24 (Tue) at 12:40:00 +0200 (+0200), Henrik Lund Kramshøj wrote: :Current tuning, apart from kernel defaults: :and also modified /etc/sysctl somewhat - most changes below are from :https://calomel.org/network_performance.html: Revert all changes recommended by this page, they hurt perfo

10Gbit Intel 10GbE SFP+ (82599) performance

2012-07-24 Thread Henrik Lund Kramshøj
Hi I have bought two lab systems for testing 10Gbit and have some issues with 10Gbit performance. Note: I have the devices triple-booting FreeBSD, Linux and OpenBSD and can get about 9.4Gbits/sec with Linux iperf using iperf -t 60 I have read and updated kernel to latest snapshot OpenBSD 5.2 (GEN