Re: Perfomance degradation 9.3 (vs 9.2) for FreeBSD - Mailing list pgsql-hackers

From Alfred Perlstein
Subject Re: Perfomance degradation 9.3 (vs 9.2) for FreeBSD
Date
Msg-id 535540E5.4070508@freebsd.org
Whole thread Raw
In response to Re: Perfomance degradation 9.3 (vs 9.2) for FreeBSD  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Perfomance degradation 9.3 (vs 9.2) for FreeBSD
List pgsql-hackers
On 4/21/14 8:58 AM, Tom Lane wrote:
> Andres Freund <andres@2ndquadrant.com> writes:
>> On 2014-04-21 11:45:49 -0400, Andrew Dunstan wrote:
>>> That seems to make more sense. I can't imagine why this would be a runtime
>>> parameter as opposed to build time.
>> Because that implies that packagers and porters need to make that
>> decision. If it's a GUC people can benchmark it and decide.
> As against that, the packager would be more likely to get it right
> (or even to know that there's an issue).

Can the package builder not set the default for the runtime tunable?

Honestly we're about to select a db platform for another FreeBSD based 
system we are building, I strongly hoping that we can get back to 
sysvshm easily otherwise we may have to select another store.

-Alfred (who still remembers back when Tom had a login on our primary db 
to help us. :) )




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