| 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 |
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| 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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