How do I determine how many file descriptors are being used on my Linux server?
# cat /proc/sys/fs/file-nr
3391 969 52427
| | |
| | |
| | maximum open file descriptors
| total free allocated file descriptors
total allocated file descriptors
(the number of file descriptors allocated since boot)
The number of open file descriptors is column 1 – column 2; 2325 in this case.
