沧海一粟

#!/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") "stop php mysql free -m"
  /usr/local/php/sbin/php-fpm stop
  service mysql stop
  free -m
  sleep 5
  for i in 1 2 3
    do
    if [ `pgrep php | wc -l` -le 0 ]
    then
     /usr/local/php/sbin/php-fpm start
     service mysqld start
      sleep 10
      echo "##" $(date +"%y-%m-%d %H:%M:%S") "start php mysql"
    fi
  done
else
  if [ `pgrep php | wc -l` -le 0 ]
  then
    /usr/local/php/sbin/php-fpm restart
   service mysql restart
    sleep 10
    echo "##" $(date +"%y-%m-%d %H:%M:%S") "restart php mysql "
  fi
fi