oracle 建议关闭透明大页

[root@ht01 ~]# cat /etc/grub.conf

# grub.conf generated by anaconda

#

# Note that you do not have to rerun grub after making changes to this file

# NOTICE: You have a /boot partition. This means that

# all kernel and initrd paths are relative to /boot/, eg.

# root (hd0,0)

# kernel /vmlinuz-version ro root=/dev/mapper/vg_redis01-lv_root

# initrd /initrd-[generic-]version.img

#boot=/dev/sda

default=0

timeout=5

splashimage=(hd0,0)/grub/splash.xpm.gz

hiddenmenu

title Oracle Linux Server Unbreakable Enterprise Kernel (4.1.12-61.1.28.el6uek.x86_64)

root (hd0,0)

kernel /vmlinuz-4.1.12-61.1.28.el6uek.x86_64 ro root=/dev/mapper/vg_redis01-lv_root rd_NO_LUKS rd_LVM_LV=vg_redis01/lv_swap LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 rd_LVM_LV=vg_redis01/lv_root KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet transparent_hugepage=never

initrd /initramfs-4.1.12-61.1.28.el6uek.x86_64.img

title Oracle Linux Server Red Hat Compatible Kernel (2.6.32-696.el6.x86_64)

root (hd0,0)

kernel /vmlinuz-2.6.32-696.el6.x86_64 ro root=/dev/mapper/vg_redis01-lv_root rd_NO_LUKS rd_LVM_LV=vg_redis01/lv_swap LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_LVM_LV=vg_redis01/lv_root KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet

initrd /initramfs-2.6.32-696.el6.x86_64.img

[root@ht01 ~]# cat /sys/kernel/mm/transparent_hugepage/enabled

always madvise [never]

[root@ht01 ~]# grep Huge /proc/meminfo

AnonHugePages: 0 kB

HugePages_Total: 0

HugePages_Free: 0

HugePages_Rsvd: 0

HugePages_Surp: 0

Hugepagesize: 2048 kB