File Descriptors and User Connections for AIX

Find or change the current file descriptor values.

The number of file descriptors per process is determined by the operating system parameter open_max. The default value of open_max is 32767. Adaptive Server can use a maximum of 65534 file descriptors, regardless of the value of open_max. See the AIX operating system documentation.

To obtain the current open_max value, use:

ulimit -n