On Sun, Feb 15, 2009 at 9:48 PM, Bryan Christ <bryan.christ@xxxxxxxxx> wrote:
> I am writing a multi-threaded application which services hundreds of
> remote connections for data transfer. Several instances of this
> program are run simultaneously. The problem is that whenever the
> total number of active user connections (cumulative total of all open
> sockets tallied from all process instances) reaches about 700 the
> system appears to run out of file descriptors. I have tried raising
> the open files limit via "ulimit -n" and by using the setrlimit()
> facility. Neither of these seem to help. I am currently having to
> limit the number of processes running on the system to 2 instances
> allowing no more than 256 connections each.
Have you tried editing /etc/security/limits.conf (or equivalent file
on your system) to increase the max number of open files?
perhaps something like:
* - nofile 524288
is what you want?
joe
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