Re: Linux 2.4.1 network (socket) performance

2001-03-01 Thread Pavel Machek
Hi! > Hello, I am trying to find the reason for very, very poor network > performance with sustained data transfers on Linux 2.4.1. I found > a work-around, but don't think user-mode code should have to provide > such work-arounds. > >In the following, with Linux 2.4.1, on a dedicated 100/Ba

Re: Linux 2.4.1 network (socket) performance

2001-02-27 Thread Alan Cox
> I'm still talking with Alexey about how to fix this, I might just > prefer killing this fallback mechanism of skb_alloc_send_skb then > make AF_UNIX act just like everyone else. > > This was always just a performance hack, and one which makes less > and less sense as time goes on. When I first

Re: Linux 2.4.1 network (socket) performance

2001-02-26 Thread David S. Miller
Richard B. Johnson writes: > > unix socket sends eat into memory reserved for atomic allocs. OK (Manfred is being quoted here, to be clear). I'm still talking with Alexey about how to fix this, I might just prefer killing this fallback mechanism of skb_alloc_send_skb then make AF_UNIX act just

Re: Linux 2.4.1 network (socket) performance

2001-02-23 Thread Richard B. Johnson
Hello, The problem with awful socket performance on 2.4.1 has been discovered and fixed by Manfred Spraul. Here is some info, and his patch: On Fri, 23 Feb 2001, Manfred Spraul wrote: > Could you post your results to linux-kernel? > My mail from this morning wasn't accurate enough, you patched