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Hello All: I've been requested to add some TCP tuning parameters to some CentOS 5.4 systems. These tunings are for the TCP receive buffer windows: net.core.rmem_max net.core.wmem_max Information on this tuning is broadly available: http://fasterdata.es.net/TCP-tuning/linux.html http://www.speedguide.net/read_articles.php?id=121 Potential downsides are available: http://www.29west.com/docs/THPM/udp-buffer-sizing.html >From the above, the rmem size is a function of the number of listening processes times the size of the receive buffer. Apache can initially create a bunch of server process...

...e 3.0.6, whenever someone tries to write a file to the server, it is extremely slow. It doesn't matter whether it's a Win XP sp1, sp2 or Win2000 client but for some reason, my computer didn't have this problem. What I found out is that I had done the registry "tweak" from speedguide.net. Once I applied this registry edit, it worked on other machines too. Here is the contents of their registry file: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters] "SackOpts"=dword:00000001 "TcpWindowSize"=dword:0003ebc0 "Tcp1323Opts"=dw...

Hi all, I am trying to get some decent speed out of a vanilla Debian (Proxmox) box and am running out of ideas. Basically I can exchange data at 110MB/sec (raw, nfs, ftp) but not with Samba shares. I tried almost every samba tuning tip I could find to no avail. The only optimisation left to smb.conf at the moment is debug level = 0. As one can see the robocopy throughput is merely half of what

Hi, We're having performance problems with SolidWorks on our shares. Copying the entire entire solidworks project to local disk and opening from there takes around 30s, but opening from the share directly takes minutes. Apparently solidworks knowledge base has this to say about Samba: > The official policy with regards to Linux Samba is that our legal department has advised us that the