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Re: SSI patch version 14

From: "A(dot)M(dot)" <agentm(at)themactionfaction(dot)com>
To: PostgreSQL-development Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: SSI patch version 14
Date: 2011-02-09 19:16:18
Message-ID: F6E286AF-660F-4FCE-A058-3C02807ABF08@themactionfaction.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Feb 9, 2011, at 12:25 PM, Robert Haas wrote:

> On Wed, Feb 9, 2011 at 10:38 AM, Markus Wanner <markus(at)bluegap(dot)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.

Such a patch was proposed and rejected:
http://thread.gmane.org/gmane.comp.db.postgresql.devel.general/94791
Cheers,
M

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