Jeff Layton a écrit : > On Mon, 26 Oct 2009 00:24:48 +0100 > "Jean-Yves F. Barbier" <[email protected]> wrote: > >> SVR >> Debian sid V. 3.4.2-1 >> CLI >> Debian lenny >> ===================== >> >> Hi list, >> >> Sometimes ago I noticed a samba slowing down but as I don't use it >> very much it was not a PB (NO conf changes.) >> >> Today I made this test on CLI: >> mount -t cifs //svr/myshare /mnt/ -o username=myuser,password=mypw,ro >> then: >> cp /mnt/films/20090911_0025_footage.avi . (this one's 2GB) >> >> The speed (measured w/ iptraf) is terribly slow (~750KB/s), so I made >> another test: ftp using filezilla: ~7500KB/s (!) >> >> There's nothing special in my conf file, and I've got a line as doc say: >> socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=8192 SO_SNDBUF=8192 >> >> I really don't understand why there's so much difference between samba & ftp >> mostly because formerly (well, may be a year ago) there was only a very small >> gap between these speeds. > > This probably has little to do with samba and more to do with the fact > that writes with Linux CIFS are essentially synchronous within the > context of a single thread.
Ok, I'm gonna make another try with old smbfs to see if there's any difference > That said, your SO_RCVBUF size seems very small. You probably at least > need to make it large enough to hold a few writes before closing the > window. The folks who work on the samba server might be able to offer > better guidance as to a size. I read other docs and climb them up to 65535, with the same result :( JY -- -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
