Linux serve tired (load average) so apache restart

Shell code: #!/bin/sh TOP_SYS_LOAD_NUM=20 SYS_LOAD_NUM=`uptime | awk '{print $(NF-2)}' | sed 's/,//'` echo $(date +"%y-%m-%d") `uptime` if [ `echo "$TOP_SYS_LOAD_NUM < $SYS_LOAD_NUM"|bc` -eq 1 ] then echo "##" $(date +"%y-%m-%d %H:%M:%S") "pkill httpd" `ps -ef | grep httpd | wc -l` pkill httpd sleep 10 for i in 1 2 3 do if [ `pgrep httpd | wc -l` -le 0 ] then /usr/local/apache2/bin/apachectl start sleep 30 echo "##" $(date +"%y-%m-%d %H:%M:%S") "start httpd" `ps -ef | grep httpd | wc -l` fi done else if [ `pgrep httpd | wc -l` -le 0 ] then /usr/local/apache2/bin/apachectl start sleep 30 echo "##" $(date +"%y-%m-%d %H:%M:%S") "start httpd" `ps -ef | grep httpd | wc -l` fi fi crontab code:means 2 min /go */2 * * * * root /root/checkload.sh >>/root/checkload.log change the “.sh” ending file "744" chmod The statement:mine english is bad, but you can enough application your services!