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

From Kevin Grittner
Subject Re: ??: postgres cpu 100% need help
Date
Msg-id CACjxUsPg+TEGoxDba0EV4B=BE1agNP2JmGwuO9MnocKa_+CR_A@mail.gmail.com
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In response to Re: ??: postgres cpu 100% need help  ("657985552@qq.com" <657985552@qq.com>)
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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

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