hadoop-08-关闭THP服务
hadoop-08-关闭THP服务
#查看THP服务
cat /sys/kernel/mm/redhat_transparent_hugepage/enabled
cat /sys/kernel/mm/redhat_transparent_hugepage/defrag
#关闭 THP(Transparent HugePages )
# for hadoop , disable thp
echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabled
echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag
vi /etc/grub.conf
transparent_hugepage=never
vi /etc/rc.local
if test -f /sys/kernel/mm/transparent_hugepage/defrag; then
echo never > /sys/kernel/mm/transparent_hugepage/defrag
fi
if test -f /sys/kernel/mm/transparent_hugepage/enabled; then
echo never > /sys/kernel/mm/transparent_hugepage/enabled
fi
参考:http://blog.csdn.net/levy_cui/article/details/51143125
参考:https://yq.aliyun.com/articles/34755