Thats what I needed, thank you. Windows generally calls them large pages, AIX also calls them large pages, really they are typically only called hugepages on Linux.
On Tue, Jan 17, 2017 at 9:28 AM, Adrian Klaver <adrian.kla...@aklaver.com> wrote: > On 01/17/2017 07:20 AM, Andrew Kerber wrote: > >> Does PostgreSQL 9.4 support large pages in windows? The setting is >> there in the postgresql.conf, but I cant tell if it is supported in >> windows? >> > > Are you talking about this?: > > https://www.postgresql.org/docs/9.4/static/runtime-config-resource.html > > huge_pages (enum) > > Enables/disables the use of huge memory pages. Valid values are try > (the default), on, and off. > > At present, this feature is supported only on Linux. The setting is > ignored on other systems when set to try. > > The use of huge pages results in smaller page tables and less CPU time > spent on memory management, increasing performance. For more details, see > Section 17.4.4. > > With huge_pages set to try, the server will try to use huge pages, but > fall back to using normal allocation if that fails. With on, failure to use > huge pages will prevent the server from starting up. With off, huge pages > will not be used. > > > > >> -- >> Andrew W. Kerber >> >> 'If at first you dont succeed, dont take up skydiving.' >> > > > -- > Adrian Klaver > adrian.kla...@aklaver.com > -- Andrew W. Kerber 'If at first you dont succeed, dont take up skydiving.'
