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Re: huge tlb support

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org, Josh Berkus <josh(at)agliodbs(dot)com>
Subject: Re: huge tlb support
Date: 2012-07-03 12:45:40
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Lists: pgsql-hackers
On Tue, Jul 3, 2012 at 8:23 AM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> On Tuesday, July 03, 2012 04:49:10 AM Robert Haas wrote:
>> So, considering that there is required setup, it seems that the
>> obvious thing to do here is add a GUC: huge_tlb_pages (boolean).
>> The other alternative is to try with MAP_HUGETLB and, if it fails, try
>> again without MAP_HUGETLB.
> What about huge_tlb_pages = off|try|on with try being the default?

That seems reasonable to me.

Robert Haas
The Enterprise PostgreSQL Company

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