On Sun, 2013-01-06 at 20:34 +0100, Willy Tarreau wrote: > OK it works like a charm here now ! I can't break it anymore, so it > looks like you finally got it ! > > I noticed that the data rate was higher when the loopback's MTU > is exactly a multiple of 4096 (making the 64k choice optimal) > while I would have assumed that in order to efficiently splice > TCP segments, we'd need to have some space for IP/TCP headers > and n*4k for the payload. > > I also got the transfer freezes again a few times when starting > tcpdump on the server, but this is not 100% reproducible I'm afraid. > So I'll bring this back when I manage to get some analysable pattern. > > The spliced transfer through all the chain haproxy works fine again > at 10gig with your fix. The issue is closed for me. Feel free to add > my Tested-By if you want. >
Good to know ! What is the max speed you get now ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
