On Mon, Nov 23, 2015 at 12:20 AM, 657985552@qq.com <657985552@qq.com> wrote:
> [root@pg1 ~]# cat /sys/kernel/mm/transparent_hugepage/enabled
> [always] madvise never
> [root@pg1 ~]# cat /sys/kernel/mm/transparent_hugepage/defrag
> [always] madvise never
There's your problem. You need to set those to "never". You can
get immediate relief by echoing 'never' to those pseudo-files, but
you need to configure your system to set them at OS boot time, too.
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company