# Re: \[RESEND\] tuning linux for high network performance?

- From: Roy Sigurd Karlsbakk \<hidden\>
- Date: 2002-10-23 13:29:16 
- List: netdev
- Page: https://ratatoskr.run/netdev/2002/10/499636
- Thread: https://ratatoskr.run/lkml/2002/10/499582/t.md

```text
> The e1000 can very well do hardware checksumming on transmit.
>
> The missing piece of the puzzle is that his application is not
> using sendfile(), without which no transmit checksum offload
> can take place.

As far as I've understood, sendfile() won't do much good with large files. Is 
this right?

We're talking of 3-6GB files here ...

roy
-- 
Roy Sigurd Karlsbakk, Datavaktmester
ProntoTV AS - http://www.pronto.tv/
Tel: +47 9801 3356

Computers are like air conditioners.
They stop working when you open Windows.
```