| To: | "David S. Miller" <davem@xxxxxxxxxxxxx>, bert hubert <ahu@xxxxxxx> |
|---|---|
| Subject: | Re: [RESEND] tuning linux for high network performance? |
| From: | Roy Sigurd Karlsbakk <roy@xxxxxxxxxxxxx> |
| Date: | Wed, 23 Oct 2002 15:42:48 +0200 |
| Cc: | netdev@xxxxxxxxxxx, Kernel mailing list <linux-kernel@xxxxxxxxxxxxxxx> |
| In-reply-to: | <1035379308.5950.3.camel@xxxxxxxxxxxxx> |
| Organization: | ProntoTV AS |
| References: | <200210231218.18733.roy@xxxxxxxxxxxxx> <20021023130101.GA646@xxxxxxxxxxxxxxx> <1035379308.5950.3.camel@xxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | KMail/1.4.1 |
> 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. |
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