Messages in this thread | | | Date | Wed, 20 May 1998 16:51:13 -0400 (EDT) | From | "Paul D. Farber II" <> | Subject | Re: skb size |
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Who is this 'consultant'????? I would like him to tour my ISP which uses LINUX exclusivly cause it DOES work.... Try and do anything critical on NT and see how long it lasts!
Find a smarter 'consultant'.
Paul D. Farber II Farber Technology 717-628-5303 farber@f-tech.net
On Thu, 21 May 1998, Oommen Thomas wrote:
> > Hi all, > > > We are facing a major throughput problem on our ftp-site under > slackware linux 2.0.30. > > Testing showed that this may be mainly due to the OS (kernel) limitations. > > UDP services like tftp/rcp as well as SMTP/UUCP give very good throughput, > though. > > The 'skbuff' settings in 'tcp.c' is said to be hardcoded and fails under > heavy load. The following line is a typical case in this. > > copy = min(sk->mss - tcp_size, seglen); > > > Is there a real problem in the kernel? > Is this solved in newer versions? > Is a patch available for the problem? > > The network consultant is even suggesting of replacing the 'free' linux > with a better & powerful 'real' unix with a 'full' commercial > implementation of TCP, which will not drop packets on heavy load. > > The advice we received (which we find hard to buy) is that a free OS > like Linux must not be used for Production servers as the kernel lacks lot > of TCP functionalities. > > Any hints (to help save linux's as well as our prestige) will be greatly > appreciated. > > > Regards, Imagine Technologies > Oommen 16,Shaffee Mohammed Road > Rutland Gate > eMail: oommen@imaginetechnologies.com Chennai 600 006 > oommen@imagine.co.in INDIA > otom@hotmail.com Voice : 91-44-8211031/733/734/796 > Fax : 91-44-8225341 > > -> Pls do not include other recipients of mails when u reply, unless necessary > -> All FORWARDED mails are send "AS IS" & need not reflect my opinion/ideas > -> My opinions are not to be attributed as my company's unless stated so > ----------------------------------------------------------------------------- > >
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