| From: | Kevin Grittner <kgrittn(at)gmail(dot)com> |
|---|---|
| To: | "657985552(at)qq(dot)com" <657985552(at)qq(dot)com> |
| Cc: | Merlin Moncure <mmoncure(at)gmail(dot)com>, Bill Moran <wmoran(at)potentialtech(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: ??: postgres cpu 100% need help |
| Date: | 2015-11-23 15:30:15 |
| Message-ID: | CACjxUsPg+TEGoxDba0EV4B=BE1agNP2JmGwuO9MnocKa_+CR_A@mail.gmail.com |
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| Lists: | pgsql-general |
On Mon, Nov 23, 2015 at 12:20 AM, 657985552(at)qq(dot)com <657985552(at)qq(dot)com> wrote:
> [root(at)pg1 ~]# cat /sys/kernel/mm/transparent_hugepage/enabled
> [always] madvise never
> [root(at)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
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