Re: PostgreSQL and HugePage

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Hsien-Wen Chu <chu(dot)hsien(dot)wen(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: PostgreSQL and HugePage
Date: 2010-10-20 02:10:41
Message-ID: AANLkTik3DTOnrotJW9oC-CFXc0dxDJdbYKcPOnOJo2MU@mail.gmail.com
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On Tue, Oct 19, 2010 at 8:39 PM, Hsien-Wen Chu <chu(dot)hsien(dot)wen(at)gmail(dot)com> wrote:
> I want to use hugepage function on Linux platform, my question is if
> PostgreSQL supports hugepage in default, if not, what's the code need to be
> modified?

Unfortunately, I don't think this is too simple. PostgreSQL uses sysv
shared memory, not POSIX shared memory. I don't know of a way to use
sysv shared memory with hugetlb.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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