Horton

Re: SSI patch version 14

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Markus Wanner <markus@bluegap.ch>
Cc: David Fetter <david@fetter.org>, Dan Ports <drkp@csail.mit.edu>, Kevin Grittner <Kevin.Grittner@wicourts.gov>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, simon@2ndquadrant.com, pgsql-hackers@postgresql.org
Date: 2011-02-09T17:25:02Z
Lists: pgsql-hackers 
On Wed, Feb 9, 2011 at 10:38 AM, Markus Wanner <markus@bluegap.ch> wrote:
> On 02/09/2011 04:16 PM, David Fetter wrote:
>> On Tue, Feb 08, 2011 at 09:09:48PM -0500, Robert Haas wrote:
>>> Frankly, I think this is an example of how our current shared memory
>>> model is a piece of garbage.
>>
>> What other model(s) might work better?
>
> Thread based, dynamically allocatable and resizeable shared memory, as
> most other projects and developers use, for example.

Or less invasively, a small sysv shm to prevent the double-postmaster
problem, and allocate the rest using POSIX shm.

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