Current File : //scripts/serverloadcheck.sh

#!/bin/bash
hostname=`hostname`
MAX_LOAD=10
TOP=`top -n 1 -b | head -27`

echo "serverloadcheck.sh running at $hostname " `date`


############# Check if the server load, If it is more than MAX_LOAD restart the apache and send Email
#check=`uptime | awk '{print $10}' | sed 's/,//g'`
check=`cat /proc/loadavg | awk '{print $1}'`
INT=${check/.*}
if [ $INT -ge $MAX_LOAD ]
then
        echo "Server load too high in $hostname  ($check), restarting apache"
        echo "server down, Server load is high($check) in  $hostname at $DT"
        echo "$TOP"
	service_name=`lsof -i:80 -S | tail -1 |  cut -d " " -f1`
	if [ $service_name == "nginx" ]
	then
  		`service httpd restart`
	elif [ $service_name == "httpd" ]
	then
   		`service httpd restart`
	elif [ $service_name == "java" ]
	then
   		`service httpd restart`
	else
   		echo "No service Running"	
	fi
else
        echo "Server load OK in $hostname ($check)"
fi