Re: Postgres 8.x on Linux : how to use HugePages

Hi,

2012-05-02 11:28 keltezéssel, STERBECQ Didier írta:
>
> We think of using Linux HugePages to isolate shared memory used by Postgres, hoping that
> we got more performance.
>
> I see some souce code samples for doing that, but I do not see any information
> about compatibility : Postgres 7.x, 8.x, 9.x
> about recommandations
>
> Thanks by advance.
> Didier Sterbecq.
> Mail : didier(dot)sterbecq(at)ratp(dot)fr
>

if you are using a kernel older than 2.6.38, you can use this with LD_PRELOAD:
http://oss.linbit.com/hugetlb/

With 2.6.38 and up, HugePages are used automatically in giant allocations.

Best regards,
Zoltán Böszörményi

--
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Zoltán Böszörményi
Cybertec Schönig& Schönig GmbH
Gröhrmühlgasse 26
A-2700 Wiener Neustadt, Austria
Web: http://www.postgresql-support.de
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