Re: [BUGS] BUG #14714: long running sessions from remote instanceseems to hang some times

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От Andres Freund
Тема Re: [BUGS] BUG #14714: long running sessions from remote instanceseems to hang some times
Дата
Msg-id 20170626154026.mg5tftlnzh2bh7az@alap3.anarazel.de
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Ответ на Re: [BUGS] BUG #14714: long running sessions from remote instanceseems to hang some times  (Josef Machytka <josef.machytka@gmail.com>)
Ответы Re: [BUGS] BUG #14714: long running sessions from remote instanceseems to hang some times  (Josef Machytka <josef.machytka@gmail.com>)
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Hi,

(please don't top-quote on this list)

On 2017-06-26 12:27:04 +0200, Josef Machytka wrote:
> Debian 8:
> Linux <hostname> 3.16.0-4-amd64 #1 SMP Debian 3.16.43-2+deb8u1 (2017-06-18)
> x86_64 GNU/Linux

You should chekc the following parameters:
cat /proc/sys/vm/zone_reclaim_mode
cat /sys/kernel/mm/transparent_hugepage/enabled
and disable them:
echo 0 > /proc/sys/vm/zone_reclaim_mode
echo never >  /sys/kernel/mm/transparent_hugepage/enabled

- Andres

Greetings,

Andres Freund


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