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Viewing: open_files

#!/bin/sh
# -*- sh -*-

: << =cut

=head1 NAME

open_files - Plugin to monitor the number of open files in the system

=head1 CONFIGURATION

No configuration

=head1 AUTHOR

Unknown author

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

 #%# family=auto
 #%# capabilities=autoconf

=cut

. $MUNIN_LIBDIR/plugins/plugin.sh

if [ "$1" = "autoconf" ]; then
	if [ -r /proc/sys/fs/file-nr ]; then
		echo yes
		exit 0
	else
		echo no
		exit 0
	fi
fi

if [ "$1" = "config" ]; then

	echo 'graph_title File table usage'
	echo 'graph_args --base 1000 -l 0'
	echo 'graph_vlabel number of open files'
	echo 'graph_category system'
	echo 'graph_info This graph monitors the Linux open files table.'
	echo 'used.label open files'
	echo 'used.info The number of currently open files.'
	computed_warning=$(awk '{printf "%d", $3*0.92}' < /proc/sys/fs/file-nr)
	computed_critical=$(awk '{printf "%d", $3*0.98}' < /proc/sys/fs/file-nr)
	p_warning=$(print_warning used)
	p_critical=$(print_critical used)
	[ -z "$p_warning" ] && echo "used.warning $computed_warning" || echo $p_warning
	[ -z "$p_critical" ] && echo "used.critical $computed_critical" || echo $p_critical
	echo 'max.label max open files'
	echo 'max.info The maximum supported number of open files. Tune by modifying /proc/sys/fs/file-max.'
	print_warning max
	print_critical max
	exit 0
fi

awk '{print "used.value " $1-$2 "\nmax.value " $3}' < /proc/sys/fs/file-nr

User / IP	: 216.73.216.49
Host / Server	: 146.88.233.70 / www.dev.loger.cm
System	: Linux hybrid1120.fr.ns.planethoster.net 3.10.0-957.21.2.el7.x86_64 #1 SMP Wed Jun 5 14:26:44 UTC 2019 x86_64