Re: Largepages in Windows

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(dot)klaver(at)aklaver(dot)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(dot)klaver(at)aklaver(dot)com
>

--
Andrew W. Kerber

'If at first you dont succeed, dont take up skydiving.'