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Re: PostgreSQL and HugePage

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Hsien-Wen Chu <chu.hsien.wen@gmail.com>
Cc: pgsql-hackers@postgresql.org
Date: 2010-10-20T02:10:41Z
Lists: pgsql-hackers 
On Tue, Oct 19, 2010 at 8:39 PM, Hsien-Wen Chu <chu.hsien.wen@gmail.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