Re: [GENERAL] Huge Pages - setting the right value - Mailing list pgsql-general

From Andrew Kerber
Subject Re: [GENERAL] Huge Pages - setting the right value
Date
Msg-id 020820AA-6FFB-4B91-A582-01080F9EA09F@gmail.com
Whole thread Raw
In response to Re: [GENERAL] Huge Pages - setting the right value  (pinker <pinker@onet.eu>)
Responses Re: [GENERAL] Huge Pages - setting the right value  (Lucas Possamai <drum.lucas@gmail.com>)
List pgsql-general
I am sure it does not.

Sent from my iPhone

> On Jun 11, 2017, at 10:50 AM, pinker <pinker@onet.eu> wrote:
>
> Andrew Kerber wrote
>> I can't give you an absolutely authoritative answer, but because of the
>> way hugepages are implemented and allocated, I can't think how they could
>> be used for other processes.  Linux hugepages are either 2m or 1g, far too
>> large for any likely processes to require. They cannot be allocated in
>> partial pages.
>
> thank you for your help.
> My system is using 2MB pages for shared buffers. I have checked and one of
> my processes has used 606788kB of memory, so potentially could use ~ 300
> huge pages, but does postgres can use it for non shared memory?
>
>
>
>
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