Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id 897BC9FBDF8 for ; Thu, 26 Jul 2007 12:17:11 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 77581-08 for ; Thu, 26 Jul 2007 12:16:59 -0300 (ADT) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.5 Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.232]) by postgresql.org (Postfix) with ESMTP id 5EF129FBB17 for ; Thu, 26 Jul 2007 12:17:05 -0300 (ADT) Received: by nz-out-0506.google.com with SMTP id l8so456779nzf for ; Thu, 26 Jul 2007 08:17:04 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=ciAfasbE9x3V1+wUkMT7A+bVkt+N72IIfIQIFUf+mf090AEQHLug/OfuOAt4NSJD8iWJc8fO/LGCBYrM25c5C4vQID9myCuKh1QbJqaPqy9OKoSrygKRLE/XhBxojNxyUCgq9f4ESpTa6UTtXgenGhyHyjamXBW7tFUcZBdQnx8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=ePNCcyqA2VKg8L0WCA392dXo2iat9/aqkb9JH4QQ/ArlxWIq9Om3yr9EY5tjUQIkczNAzW9GGYRGzfQHOpnu0gceCAXJx/DO3IVXMMve71/8kGxCLDYUki33UIniuzjmWjUYStULjhLTsCGtYVA/s2GPEUH61sgShNch9QqXEEk= Received: by 10.115.46.9 with SMTP id y9mr1838173waj.1185463023135; Thu, 26 Jul 2007 08:17:03 -0700 (PDT) Received: by 10.114.112.16 with HTTP; Thu, 26 Jul 2007 08:17:03 -0700 (PDT) Message-ID: <7be3f35d0707260817h7c9eb639hc2979cb452321418@mail.gmail.com> Date: Thu, 26 Jul 2007 17:17:03 +0200 From: "Harald Armin Massa" To: "Bill Moran" Subject: Re: Tunning PostgreSQL performance for views on Windows Cc: "Ranieri Mazili" , pgsql-general@postgresql.org In-Reply-To: <20070726104905.e7980368.wmoran@potentialtech.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_72897_31662482.1185463023101" References: <46A8AF1B.4090607@terra.com.br> <20070726104905.e7980368.wmoran@potentialtech.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200707/1080 X-Sequence-Number: 117681 ------=_Part_72897_31662482.1185463023101 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Content-Disposition: inline in addition to the good advise of "materialzing the view" as in "create table as select * from " once a day, and to provide more information, PLEASE take notice that Good places to start with tuning: > http://www.powerpostgresql.com/PerfList > http://www.varlena.com/GeneralBits/Tidbits/perf.html > those performance-recommendations are primarly based on Unix-Systems (Linux= , BSD, Solaris). Especially shared buffers have totally different effects on win32. Best wishes, Harald --=20 GHUM Harald Massa persuadere et programmare Harald Armin Massa Spielberger Stra=DFe 49 70435 Stuttgart 0173/9409607 fx 01212-5-13695179 - EuroPython 2008 will take place in Vilnius, Lithuania - Stay tuned! ------=_Part_72897_31662482.1185463023101 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline in addition to the good advise of "materialzing the view" as in &= quot;create table <whatever> as select * from <viewwhatever>&qu= ot; once a day,

and to provide more information,

PLEASE take= notice that=20


those performance-recommendati= ons are primarly based on Unix-Systems (Linux, BSD, Solaris).

Especially shared buffers have totally different effects on win32. =

Best wishes,

Harald


--
GHUM Harald Massa
p= ersuadere et programmare
Harald Armin Massa
Spielberger Stra=DFe 49
70435 Stuttgart
0173/9409607
fx 01212-5-13695179
-
EuroPyt= hon 2008 will take place in Vilnius, Lithuania - Stay tuned! ------=_Part_72897_31662482.1185463023101--