Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-03 Thread John Polstra
In article <[EMAIL PROTECTED]>, Len Conrad <[EMAIL PROTECTED]> wrote: > Sorry, hackers, I posted this twice in -questions and got no response. [...] > FreeBSD 4.4-RELEASE #0 FreeBSD-4.4 had terrible performance bugs in the TCP stack, with or without newreno. Matt Dillon fixed them -- I believe

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Garance A Drosihn
At 6:05 PM -0400 7/1/02, Louis A. Mamakos wrote: > >Why so many applications go to the trouble to disable Nagle's >algorithm is beyond me. I suspect the socket option has too >seductive of a name. I suspect someone had a specific case where Nagle's algorithm causes a real problem. They turn on

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread D J Hawkey Jr
On Jul 01, at 03:34 PM, Terry Lambert wrote: > > Then use Dillon's patches, instead of just turning it off. Your > anecdotal experience with "works better" is just that -- anecdotal. > It doesn't hold for the general case. > > I guess the problem is that the patches are not committed to the > v

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Terry Lambert
Doug Barton wrote: > > Then use Dillon's patches, instead of just turning it off. > > Dillon's patches were committed, by Dillon. :) My systems still work > better with newreno off than with it on. > > > Your anecdotal experience with "works better" is just that -- anecdotal. > > It doesn't hold

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Doug Barton
On Mon, 1 Jul 2002, Terry Lambert wrote: > Doug Barton wrote: > > > I guess you missed the part where I said that FreeBSD had bugs, and > > > Matt Dillon posted patches? > > > > Nope. I think you missed the part where I said I was talking about > > reality, not theory. :) The reality is, it's br

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Terry Lambert
Doug Barton wrote: > > I guess you missed the part where I said that FreeBSD had bugs, and > > Matt Dillon posted patches? > > Nope. I think you missed the part where I said I was talking about > reality, not theory. :) The reality is, it's broken now, and in my > experience, turning it off make

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Louis A. Mamakos
> > Yes, I can attest to this an I belive it is actually the case on both > -current and -releng4 that disabling newreno improves TCP performance. > > I belive running an X11 application or scp(1) over a wavelan is a very > good test-bed for this issue. > > -- > Poul-Henning Kamp | UNIX

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Doug Barton
On Mon, 1 Jul 2002, D J Hawkey Jr wrote: > Guys, guys... Take 'er easy. > > All I asked is what it is, what it does, and the ramifications. Thank you > both for enlightening me. Really. No sarcasm. I actually wasn't being sarcastic... You've wandered into a briar patch of long standing though,

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Michael Sierchio writes: >Poul-Henning Kamp wrote: > >> Yes, I can attest to this an I belive it is actually the case on both >> -current and -releng4 that disabling newreno improves TCP performance. >> >> I belive running an X11 application or scp(1) over a wavela

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread D J Hawkey Jr
On Jul 01, at 01:50 PM, Doug Barton wrote: > > On Mon, 1 Jul 2002, Terry Lambert wrote: > > > Mike Silbersack wrote: > > > On Mon, 1 Jul 2002, Doug Barton wrote: > > > > The problem is that Terry has described the theory, whereas many of us > > > > who have observed the situation in the real wor

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Michael Sierchio
Poul-Henning Kamp wrote: > Yes, I can attest to this an I belive it is actually the case on both > -current and -releng4 that disabling newreno improves TCP performance. > > I belive running an X11 application or scp(1) over a wavelan is a very > good test-bed for this issue. Wireless breaks a

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Doug Barton writ es: >On Mon, 1 Jul 2002, Terry Lambert wrote: > >> Mike Silbersack wrote: >> > On Mon, 1 Jul 2002, Doug Barton wrote: >> > > The problem is that Terry has described the theory, whereas many of us >> > > who have observed the situation in the real wo

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Doug Barton
On Mon, 1 Jul 2002, Terry Lambert wrote: > Mike Silbersack wrote: > > On Mon, 1 Jul 2002, Doug Barton wrote: > > > The problem is that Terry has described the theory, whereas many of us > > > who have observed the situation in the real world have noticed that even > > > on a homogenous network (a

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Terry Lambert
Mike Silbersack wrote: > On Mon, 1 Jul 2002, Doug Barton wrote: > > The problem is that Terry has described the theory, whereas many of us > > who have observed the situation in the real world have noticed that even > > on a homogenous network (all with newreno enabled) performance is still > > wo

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Mike Silbersack
On Mon, 1 Jul 2002, Doug Barton wrote: > D J Hawkey Jr wrote: > > > I'm guessing that the suggestion to turn it off (the original thread) is > > valid enough, as all machines referred to were on the same network, else > > why wouldn't the above still hold true? Or is it a matter of FTP and/or >

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Doug Barton
D J Hawkey Jr wrote: > I'm guessing that the suggestion to turn it off (the original thread) is > valid enough, as all machines referred to were on the same network, else > why wouldn't the above still hold true? Or is it a matter of FTP and/or > SMTP (specifically, sendmail) not playing nice wit

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Terry Lambert
D J Hawkey Jr wrote: > > If you turn it off, you rat all your firends out in the Prisoner's > > Dilemma. > > > > Congestion control protocols only work if everyone participates. > > > >All "Reno TCP" implementations include TCP Fast Retransmit and Fast > >Recovery algorithms [RFC2581]... >

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread D J Hawkey Jr
On Jul 01, at 09:56 AM, Terry Lambert wrote: > > D J Hawkey Jr wrote: > > > You can turn off newreno with the sysctl. I put this in /etc/sysctl.conf > > > on my machines: > > > > > > net.inet.tcp.newreno=0 > > > > Could you explain what newreno is, in a nutshell, the upshots of using it, > > and

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Terry Lambert
D J Hawkey Jr wrote: > > You can turn off newreno with the sysctl. I put this in /etc/sysctl.conf > > on my machines: > > > > net.inet.tcp.newreno=0 > > Could you explain what newreno is, in a nutshell, the upshots of using it, > and what the ramifications of turning it off are? > > I'm running

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread Joe Abley
On Monday, July 1, 2002, at 12:00 , D J Hawkey Jr wrote: > Could you explain what newreno is, in a nutshell, the upshots of using > it, > and what the ramifications of turning it off are? http://www.google.com/search?q=tcp+new+reno To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubsc

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-07-01 Thread D J Hawkey Jr
In article <[EMAIL PROTECTED]>, [EMAIL PROTECTED] writes: > Len Conrad wrote: >> >> Sorry, hackers, I posted this twice in -questions and got no response. >> >> If the problem is newreno, can somebody say how to up just that piece for >> 4.4 so as to be as non-disruptive, non-dice-rollin

Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi

2002-06-30 Thread Doug Barton
Len Conrad wrote: > > Sorry, hackers, I posted this twice in -questions and got no response. > > If the problem is newreno, can somebody say how to up just that piece for > 4.4 so as to be as non-disruptive, non-dice-rolling as possible on this > otherwise solid machine? You can turn off newren