[CentOS] Troubleshooting "too many open files'

[Mike]

Check any ulimits imposed on the process you are running.
# ulimit -n
1024

You should be able to increase that value to your file-max value.

and

FD_SETSIZE defined in:
/usr/include/linux/posix_types.h
/usr/include/bits/typesizes.h

#define __FD_SETSIZE    1024

If you are feeling silly you can modify the value of FD_SETSIZE and
recompile your software.

In either case, standard warnings apply.

- Mike

On Sat, May 06, 2006 at 06:06:07PM -0700, Michael Rock wrote:
> Hi,
> 
> Besides file-max and file-nr is there anywhere else I
> should be looking to solve a C program giving me 'too
> many open files' problem? (centos 3.4)
> 
> While the program is complaining here were the values
> 
> file-max
> 209632
> 
> file-nr
> 3655	258	209632
> 
> lsof | wc -l
> around 7000 during and about 1111 less after I closed
> the application.
> 
> Any ideas? thx