set swap and memory limit according to the hdware when starting the service
modified: install_shell/cgroup-d5000-install/set_libcgroup.sh
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@@ -6,29 +6,7 @@ if [ -z $1 ];then
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fi
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#设置cgconfig和cgred服务的配置文件
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total_mem=`free -m | grep -i "mem" | awk '{print $2}'`
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total_swap=`free -m | grep -i "swap" | awk '{print $2}'`
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cpus=`cat /proc/cpuinfo | grep processor | wc -l`
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((cpus=cpus-2))
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if [ ${cpus} -lt 0 ]; then
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cpus=0
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fi
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numa=`numactl --show`
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if [ $? -eq 0 ]; then
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# memory_nodes=`numactl --hardware | sed -n '1p' | awk '{print $2}'`
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memory_nodes=`numactl --hardware | grep "nodes" | awk '{print $4}' | sed -e "s/(//g" | sed -e "s/)//g"`
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else
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memory_nodes=0
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fi
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#if [ ${memory_nodes} -ne 0 ]; then
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# ((memory_nodes--))
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#fi
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echo "Starting set the cgconfig.conf..."
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cgconfig="group $1_limits {
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perm {
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task {
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@@ -65,35 +43,9 @@ mount {
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cgrules="$1: * /$1_limits"
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if [ ${total_mem} -le 500 ]; then
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mem_root=100
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else
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mem_root=$((${total_mem}/10))
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if [ ${mem_root} -lt 100 ]; then
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mem_root=100
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elif [ ${mem_root} -ge 100 ] && [ ${mem_root} -le 500 ]; then
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mem_root=500
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elif [ ${mem_root} -gt 2000 ]; then
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mem_root=2000
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fi
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fi
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mem=$((${total_mem}-${mem_root}))
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swap=$((${total_swap}/2))
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sed -i "/^[^#]/d" /etc/cgconfig.conf
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sed -i "/^$/d" /etc/cgconfig.conf
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echo "$cgconfig" >> /etc/cgconfig.conf
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sed -i "s/var_cpus/${cpus}/g" /etc/cgconfig.conf
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sed -i "s/var_nodes/${memory_nodes}/g" /etc/cgconfig.conf
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sed -i "s/var_mem/${mem}/g" /etc/cgconfig.conf
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sed -i "s/var_swap/$(($mem+$swap))/g" /etc/cgconfig.conf
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echo "$cgconfig" > /etc/cgconfig.conf.tmp
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echo "Starting set cgrules.conf..."
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sed -i "/^[^#]/d" /etc/cgrules.conf
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sed -i "/^$/d" /etc/cgrules.conf
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echo "$cgrules" >> /etc/cgrules.conf
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