On Fri, Jun 22, 2007 at 11:29:16AM +1000, Andrew Cook wrote: > Hi All, > > I've got some performance issues with Samba and Vista that I just can't > seem to figure out. Googling and fiddling has all been in vain up until > now, so I'm not sure what I can do other than wait for Samba 4, but > maybe someone here can find something I've missed. > > First off, the server is an Athlon 64 1.8GHz running Gentoo 2006.1, > tested with both Samba 3.0.24 and 3.0.25a. Gigabit network is handled by > the onboard nForce controller, and it's got a software RAID 5 setup that > has been running fine for months. > > The client is a dual core Windows box with a PCI-Express gigabit card. > Netperf pegs the network at 100Mbytes/sec, so there's no problems there. > Transfers via FTP on both Windows XP and Vista work out around about > 55Mbytes/sec consistently, and SMB transfers under Windows XP also top > out around 50-55Mbytes/sec, which seems to be the limit of the I/O on > the client. > > Vista however, no matter what I do, will not read from Samba shares at > any more than around 5Mb/s when copying with Explorer. I timed a few > different file copies between XP and Vista, and it's consistently ten > times slower every time. Write speeds seem a lot better (20-30Mb/s). > This happens with both Samba 3.0.24 and 3.0.25a. I've tried with the VFS > readahead both on and off. I've tried with NetBIOS over TCP/IP both on > and off. It's worth noting that if I use the copy command via the > command prompt, read speeds jump to around 8-9Mb/s, but it's still > pretty poor.
Ah - the readahead issue. Try using 3.0.25 with the vfs readahead module. Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/listinfo/samba
