freeMem=`free -g | grep "Mem" | awk '{print $7}'`
if [ $freeMem -lt 100 ]; then
echo "系统可用内存不足, 剩余[$freeMem]GB"
fi
freeMem=`free -g | grep "Mem" | awk '{print $7}'`
if [ $freeMem -lt 100 ]; then
echo "系统可用内存不足, 剩余[$freeMem]GB"
fi
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