my sysctl.conf for tcp_max_syn_backlog and somaxconn

net.core.somaxconn = 262144
net.ipv4.tcp_max_syn_backlog = 262144

--- In firebird-support@yahoogroups.com, "Danguelle Mickael" <mickael.danguelle@...> wrote:
>
> value for the linux firebird user
> su - firebird
> ulimit -Ha
> core file size (blocks, -c) unlimited
> data seg size (kbytes, -d) unlimited
> scheduling priority (-e) unlimited
> file size (blocks, -f) unlimited
> pending signals (-i) unlimited
> max locked memory (kbytes, -l) unlimited
> max memory size (kbytes, -m) unlimited
> open files (-n) 999999
> pipe size (512 bytes, -p) 8
> POSIX message queues (bytes, -q) unlimited
> real-time priority (-r) 0
> stack size (kbytes, -s) unlimited
> cpu time (seconds, -t) unlimited
> max user processes (-u) unlimited
> virtual memory (kbytes, -v) unlimited
> file locks (-x) unlimited
>
> I have the linux debian 64 bits.
>
>
>
>
> --- In firebird-support@yahoogroups.com, Philippe Makowski <makowski@> wrote:
> >
> > 2010/10/19 mick_dang <mickael.danguelle@>
> >
> > > mode classsic process server, I have a number of connections élévés.mais, my server starts up in RAM and has completed the swap.
> > add more ram
> > and be sure using a x86_64 kernel and Firebird
> >
> > > mode thread, I have 510 connections on the database employee.fdb and I end up with an error message connection refused
> > > My ulimit-Ha
> > your's ?
> > or the values for the linux firebird user ?
> >
> > and again, check your tcp stack, look for SOMAXCONN (google can help)
> > for example : http://www.sysarchitects.com/files/VanDyk_Des_Moines_Web_Geeks_09.pdf
> >
> > netdev_max_backlog: http://www.google.com/linux?&q=netdev_max_backlog
> > somaxconn: http://www.google.com/linux?&q=somaxconn
> >
>