On Fri, Jan 02, 2009 at 05:54:11PM +0100, Aleš Bláha wrote: > Both computers run Gentoo Linux 2008, kernel 2.6.25-r9, > server runs Samba 3.0.33, client mount.cifs 3.0.30. The > underlying filesystem for Samba is Ext3 with xattr and > acls. I wasn't able to break 32MB/s (250Mbps) transfer > speed neither reading nor writing to the server. The disk > subsystem of the server is capable of 60MB/s and generaly > the hardware is not the bottleneck. Neither is the network > - the bw_tcp from LMbench suite shows around 108MB/s with > 1500b messages, which is what I would expect from GbE & > TCP/IP. I've been tinkering with
In a test I did lately it made a huge difference if I just did raw TCP benchmarks, raw disk benchmarks or a combined one. The test I used was netcat -l -p 9999 > diskfile on the receiving end and netcat <server-ip> 9999 <diskfile on the sending end. This made my hardware which would otherwise happily saturate gigE crawl down to something like 50MB/sec. Can you try that? Volker
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