On Thu, Sep 19, 2013 at 03:35:43PM +1200, Mark Davies wrote: > I have a system that is (sometimes) used as an ftp server to serve g4u > disk images. Current machine is a Dell PowerEdge R320 with 16GB > memory running 6.1_STABLE from yesterday. > > If I get 3 ftp clients all reading the same 45GB image from it I > quickly get into the situation that all memory is used by something > and the machine becomes very unresponsive. Below is the output of top > while in this state: > > [...] > Memory: 15G Act, 113M Inact, 15M Wired, 29M Exec, 15G File, 112K Free > Swap: 8192M Total, 8192M Free
the file cache shouldn't be allowed to use that much memory. What are your vm.* settings (sysctl vm) ? did you change ftp.conf, especially the mmapsize parameter ? -- Manuel Bouyer <bou...@antioche.eu.org> NetBSD: 26 ans d'experience feront toujours la difference --