Number of Files Opened: Difference between revisions
From Leo's Notes
This page was last edited on 1 September 2019, at 05:10.
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Revision as of 05:10, 1 September 2019
Linux allows you to control how many opened file descriptor an user can have at any one time.
System-Wide Settings
To show the number of files opened on a system, run:
# cat /proc/sys/fs/file-nr
1536 0 793120
The fields are:
- Current number of opened files
- Number of free allocated file descriptors
- Maximum number of file descriptors for the whole system
You may change this value by:
# cat <new value> > /proc/sys/fs/file-nr
## Edit <code>/etc/sysctl.conf</code> so that there is a line
## fs.file-max = <new value>
Per-User Settings
You can see the limits set by running ulimit on the bash shell.
# ulimit -n
You can also see the per-user limits defined in /etc/security/limits.conf:
# cat /etc/security/limits.conf
See Also
- http://blog.thecodingmachine.com/content/solving-too-many-open-files-exception-red5-or-any-other-application