De : Robert Haas <robertmhaas@gmail.com> Envoyé : mardi 20 novembre 2018 13:53:53 À : REIX, Tony Cc : pgsql-hackers@postgresql.org; EMPEREUR-MOT, SYLVIE Objet : Re: Shared Memory: How to use SYSV rather than MMAP ?
On Tue, Nov 20, 2018 at 5:11 AM REIX, Tony <tony.reix@atos.net> wrote: > On AIX, since with MMAP we have only 4K pages though we can have 64K pages with SYSV, we'd like to experiment with SYSV rather than MMAP and measure the impact to the performance.
Are you trying to move the main shared memory segment or the dynamic shared memory segments?