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Jesper Krogh wrote: > David Miller wrote: >> From: Jesper Krogh <jesper@krogh.cc> >> Date: Fri, 09 May 2008 20:32:53 +0200 >> >>> When it works I doesnt seem to be able to get it pass 500MB/s. >> >> With this card you really need multiple cpus and multiple threads >> sending data through the card in order to fill the 10Gb pipe. >> >> Single connections will not fill the pipe. > > The server is a Sun X4600 with 8 x dual-core CPU's, setup with 64 > NFS-threads. The other end of the fiber goes into a switch with gigabit > ports connected to 48 dual-core cpus. The test was done doing a dd on a > 4.5GB file from the server to /dev/null on the clients. Are you doing a TX or RX (with respect to the 10G if)? -- matheos > > The number of contextswitches seems enourmous.. over 120.000 sometimes. > When transmitting around the same amount of data (4xgigabit bonded with > 802.3ad) 4x110MB/s the amount of contextswitches only reaches 3-4.000. I > have no idea if this has any relevance. > > Should this setup not be able to fill the pipe? > -- 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/ | |||||||||
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