Re: Shared Memory: How to use SYSV rather than MMAP ?

Alvaro Herrera <alvherre@2ndquadrant.com>

From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Thomas Munro <thomas.munro@enterprisedb.com>
Cc: "REIX, Tony" <tony.reix@atos.net>, Andres Freund <andres@anarazel.de>, Robert Haas <robertmhaas@gmail.com>, Pg Hackers <pgsql-hackers@postgresql.org>, "EMPEREUR-MOT, SYLVIE" <sylvie.empereur-mot@atos.net>
Date: 2019-09-03T22:30:06Z
Lists: pgsql-hackers
On 2019-Feb-03, Thomas Munro wrote:

> On Sat, Feb 2, 2019 at 12:49 AM Thomas Munro
> <thomas.munro@enterprisedb.com> wrote:
> > I am planning to commit the 0001 patch shortly, unless there are
> > objections.  I attach a new version, which improves the documentation
> > a bit (cross-referencing the new GUC and the section on sysctl
> > settings).  That will give us shared_memory_type = sysv.
> 
> Committed 0001.

So can you please rebase what remains?

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



Commits

  1. Add shared_memory_type GUC.

  2. Dramatically reduce System V shared memory consumption.