2011/6/13 juan david <jd.alar...@gmail.com> > Hi, > > We are trying upgrade our roaming profile sever from Debian Etch to Debian > Squeeze. That's means a upgrade from Samba 3.0.24 to Samba 3.5.8. Our > production environment has above 600 concurrent users without problem. After > upgrade to Samba 3.5.8, server can't manage above 200 users. With > 'smbclient', the output is: > > Error [user] session setup failed: Call timed out: server did not respond > after 20000 milliseconds > > We use Samba+Winbind+kerberos to validate users. After upgrade I have been > tried all configurations that I could imagine without luck. > > After that I have tried simplify the problem, I made a test environment > with the next smb.conf: > > [global] > netbios name = yela > security = share > guest account = nobody > > [mdrive] > path = /home/HUGU-Profiles/WinXP/enfgen.man > browseable = yes > public = yes > guest ok = yes > > Trivial, isn't it? The server is a Debian Squeeze with Linux Kernel > 2.6.32-5 and Samba 3.5.8. From one client I ran the next script: > > #!/bin/bash > > connectAndList () > { > for i in $( seq 1 1000 ) > do > fechaInicio=$( date ) > salida=$( smbclient //yela/mdrive -U nobody% -c ls 2> > /dev/null ) > retorno=$? > fechaFin=$( date ) > if [ ! $retorno -eq 0 ] > then > echo "$fechaInicio - Error $1 $salida - $fechaFin" > sleep 1 > fi > done > } > > for j in $( seq 1 5 ) > do > for i in $( seq 1 100 ) > do > connectAndList $i $j & > done > done > > To summarize, this script do 500 concurrent connections, list the directory > and repeat it. If one connection fail then sleep 1 second and do again. > > Samba 3.0.24 run script with 1 or 2 fail connection per second. In Samba > 3.5.8 We need falling to 200 concurrent connections, in other case, the > server was freeze and load raise over 20. There isn't any error in log. The > server doesn't fail is the client which has return a timeout. > > Maybe the problem are in connection reply, because once you has been > connect with 'smbclient' follow commands work without problem. > > Has Some one "Samba" with above 300 concurrent users in production > enviroment? Does some one know something about this performance lost in > connection time? > >
In your production environment How many users are there? Where is the limit? -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba