RE: TCP Transfers slowing down

2005-08-15 Thread Jason Coene
> > Do you know if there were any changes between 5.2 and 5.4 that may have > an > > impact on this? > > Just a thought, but I think SACK went in during that time period. > I'm not sure if this is a valid test, but I just found and disabled net.inet.tcp.sack.enable, it produced the same result.

RE: TCP Transfers slowing down

2005-08-15 Thread Jason Coene
PROTECTED] On Behalf Of Mike Tancsa > Sent: Monday, August 15, 2005 7:42 AM > To: Jason Coene; freebsd-performance@freebsd.org > Subject: RE: TCP Transfers slowing down > > At 01:36 AM 15/08/2005, Jason Coene wrote: > >Thanks for the response. I've attached what you r

RE: TCP Transfers slowing down

2005-08-14 Thread Jason Coene
[mailto:[EMAIL PROTECTED] > Sent: Monday, August 15, 2005 12:30 AM > To: Jason Coene; freebsd-performance@freebsd.org > Subject: Re: TCP Transfers slowing down > > At 04:37 PM 14/08/2005, Jason Coene wrote: > >Before the update, the servers would sustain high transfer rates (well

TCP Transfers slowing down

2005-08-14 Thread Jason Coene
Hi All, I have a strange problem. We recently upgraded 6 web servers from FreeBSD 5.2-RELEASE to 5.4-RELEASE. Before the update, the servers would sustain high transfer rates (well over 4 Mbyte/sec), but since the update that has changed. A transfer will start out at normal speed (as high as we