From: Mendola Gaetano <mendola@bigfoot.com>
To: Achilleus Mantzios <achill@matrix.gatewaynet.com>
To: pgsql-sql@postgresql.org
To: pgsql-performance@postgresql.org
To: pgsql-bugs@postgresql.org
Subject: Re: [SQL] An unresolved performance problem.
Date: Wed, 7 May 2003 17:36:29 +0200
Message-ID: <013301c314ae$6e1b6520$152aa8c0@GMENDOLA2> (raw)
References: <Pine.LNX.4.44.0305071359180.27590-100000@matrix.gatewaynet.com>
----- Original Message -----
From: "Achilleus Mantzios" <achill@matrix.gatewaynet.com>
To: <pgsql-sql@postgresql.org>; <pgsql-performance@postgresql.org>;
<pgsql-bugs@postgresql.org>
Sent: Wednesday, May 07, 2003 6:33 PM
Subject: [SQL] An unresolved performance problem.
>
> Hi, few days ago, i posted some really wierd (at least to me)
> situation (maybe a potentian bug) to the performance and bugs list
> and to some core hacker(s) privately as well,
> and i got no response.
I seen around a lot of questions are remaining without any reply,
may be in this period the guys like Tom Lane are too busy.
> Moreover i asked for some feedback
> in order to understand/fix the problem myself,
> and again received no response.
>
> What i asked was pretty simple:
> "1. Is it possible that the absense of statistics make the planer produce
> better plans
> than in the case of statistcs generated with vacuum
> analyze/analyze?
> 2. If No, i found a bug,
> 3. If yes then under what conditions??
> 4. If no person knows the answer or no hacker wants to dig into the
> problem then is there a direction i must follow to understand/fix whats
> going on myself??""
Can you give us more informations? Like the table structure, wich kind
of query are you tring to do and so on...
Gaetano
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To: pgsql-sql@postgresql.org
Cc: mendola@bigfoot.com, achill@matrix.gatewaynet.com, pgsql-performance@postgresql.org, pgsql-bugs@postgresql.org
Subject: Re: [SQL] An unresolved performance problem.
In-Reply-To: <013301c314ae$6e1b6520$152aa8c0@GMENDOLA2>
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