Re: Report: Linux huge pages with Postgres

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgreSQL.org
Date: 2010-11-28T16:53:37Z
Lists: pgsql-hackers
On Sat, 2010-11-27 at 14:27 -0500, Tom Lane wrote:

> This is discouraging; it certainly doesn't make me want to expend the
> effort to develop a production patch.

Perhaps.

Why do this only for shared memory? Surely the majority of memory
accesses are to private memory, so being able to allocate private memory
in a single huge page would be better for avoiding TLB cache misses.

-- 
 Simon Riggs           http://www.2ndQuadrant.com/books/
 PostgreSQL Development, 24x7 Support, Training and Services