Messages in this thread |  | | Date | Sun, 14 Oct 2001 10:51:56 +0300 | From | Mika Liljeberg <> | Subject | Re: TCP acking too fast |
| |
"David S. Miller" wrote: > > From: Mika Liljeberg <Mika.Liljeberg@welho.com> > Date: Sun, 14 Oct 2001 10:05:33 +0300 > > I've attached a fragment of tcpdump output from the middle of steady > state transfer. Looking at the dump, it seems that most arriving > segments have the PSH bit set. This leads me to believe that the > transfer is mostly application limited at the sender side. > > This means the application is doing many small writes.
Nope, it simply means that the remote machine has a 100 Mbit Ethernet card that keeps emptying the transmit queue faster than it can be filled.
> To be honest, > to only sure way to cure any performance problems from that is to > fix the application in question. What is this application?
I don't control the remote machine, but it's linux (don't know which version). I tried with both HTTP (Apache 1.3.9) and FTP. I doubt it's the application. :-)
Regards,
MikaL - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |