Sergey Konoplev escribió: > On Wed, Oct 30, 2013 at 8:11 AM, Tom Lane <[email protected]> wrote: > > Sergey Konoplev <[email protected]> writes:
> >> There were an ability to back shared memory with hugepages when using > >> <=9.2. I use it on ~30 servers for several years and it brings 8-17% > >> of performance depending on the memory size. Here you will find > >> several paragraphs of the description about how to do it > >> https://github.com/grayhemp/pgcookbook/blob/master/database_server_configuration.md. > > > > What this describes is how to modify Postgres to request huge pages. > > That's hardly built-in support. > > I wasn't talking about a built-in support. It was about an ability (a > way) to back sh_buf with hugepages. Then what you need is to set dynamic_shared_memory_type = sysv in postgresql.conf. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
