Re: Huge Pages - setting the right value

From: Andrew Kerber <andrew(dot)kerber(at)gmail(dot)com>
To: pinker <pinker(at)onet(dot)eu>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Huge Pages - setting the right value
Date: 2017-06-11 19:52:54
Message-ID: 020820AA-6FFB-4B91-A582-01080F9EA09F@gmail.com
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I am sure it does not.

Sent from my iPhone

> On Jun 11, 2017, at 10:50 AM, pinker <pinker(at)onet(dot)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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