On Wed, Oct 30, 2013 at 8:11 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Sergey Konoplev <gray...@gmail.com> writes: >> On Tue, Oct 29, 2013 at 9:31 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: >>> Say what? There's never been any hugepages support in Postgres. > >> 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. > In any case, as David already explained, we don't do feature additions > in minor releases. We'd be especially unlikely to make an exception > for this, since it has uncertain portability and benefits. Anything > that carries portability risks has got to go through a beta testing > cycle before we'll unleash it on the masses. Yes, I got the idea. Thanks both of you for clarification. -- Kind regards, Sergey Konoplev PostgreSQL Consultant and DBA http://www.linkedin.com/in/grayhemp +1 (415) 867-9984, +7 (901) 903-0499, +7 (988) 888-1979 gray...@gmail.com -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers