Re: pgsql: Allow using huge TLB pages on Linux (MAP_HUGETLB)

From: Christian Kruse <christian(at)2ndQuadrant(dot)com>
To: Peter Geoghegan <pg(at)heroku(dot)com>
Cc: Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi>, pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Allow using huge TLB pages on Linux (MAP_HUGETLB)
Date: 2014-01-29 19:24:18
Message-ID: 20140129192418.GC31325@defunct.ch
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Hi,

On 29/01/14 11:17, Peter Geoghegan wrote:
> On Wed, Jan 29, 2014 at 4:12 AM, Heikki Linnakangas
> <heikki(dot)linnakangas(at)iki(dot)fi> wrote:
> > Allow using huge TLB pages on Linux (MAP_HUGETLB)
>
> The documentation says:
> […]

I rewrote the whole part. Giving such a formula is a bad idea since
shared buffers is not the only factor affecting the no of required
huge pages.

Best regards,

--
Christian Kruse http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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