|iNTERFACEWARE Products Manual > Installing and Using Iguana > Getting Started > Deploying Iguana on Unix, Linux and Mac OS X > Open File Limits on Unix, Linux and Mac OS X|
If you are using Iguana on Unix, Linux or Mac OS X, and you are running a large number of channels, you must ensure that your system allows enough simultaneous open files. If the open file limit is set too low, you may start to notice unusual behavior, such as SQL I/O errors.
To check the limit imposed by your system on the number of open files, run the ulimit -a command:
In the output from this command, the open files line indicates the upper limit on the number of files that can be open at one time. If you use ulimit -n to increase this limit, the errors should stop occurring. Setting a value of 1024 is best: