Postgres Pro
Downloads
Home   >   mailing lists

Re: ??: postgres cpu 100% need help - Mailing list pgsql-general

From 657985552@qq.com
Subject Re: ??: postgres cpu 100% need help
Date
Msg-id 2015112510150117979320@qq.com
Whole thread Raw
In response to 回复: postgres cpu 100% need help  ("657985552@qq.com" <657985552@qq.com>)
Responses Re: ??: postgres cpu 100% need help
List pgsql-general
Tree view
hi kevin:
thanks for you help . but the following config Indicate my OS THP is  Disable
[root@pg1 ~]# grep -i HugePages_Total /proc/meminfo 
HugePages_Total:       0
[root@pg1 ~]# cat /proc/sys/vm/nr_hugepages
0

657985552@qq.com
 
Date: 2015-11-23 23:30
Subject: Re: [GENERAL] ??: postgres cpu 100% need help
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
 

pgsql-general by date:

Previous
From: Oleg Bartunov
Date:
Subject: Re: JSON path wild cards?
Next
From: Tom Lane
Date:
Subject: Re: ??: postgres cpu 100% need help