From: Andreas Kostyrka <andreas@kostyrka.org>
To: AMIR FRANCO D. JOVEN <amir@digi.ph>
Cc: pgsql-performance@postgresql.org
Subject: Re: Slow SELECT on three or more clients
Date: Wed, 15 Nov 2006 14:29:09 +0100
Message-ID: <20061115132909.GA22673@andi-lap.la.revver.com> (raw)
In-Reply-To: <e38bba340611150337r1c9a895nd99d95ca8408b88c@mail.gmail.com>
References: <e38bba340611150337r1c9a895nd99d95ca8408b88c@mail.gmail.com>
* AMIR FRANCO D. JOVEN <amir@digi.ph> [061115 12:44]:
> Hi!
>
> Im new to PostgreSQL.
>
> My current project uses PostgreSQL 7.3.4.
Ancient. Upgrade it, especially if it's a new database.
>
> the problem is like this:
>
> I have a table with 94 fields and a select with only one resultset in only
> one client consumes about 0.86 seconds.
> The client executes three 'select' statements to perform the task which
> consumes 2.58 seconds.
> With only one client this is acceptable, but the real problem is as i add
> more clients, it goes more and more slower.
That depends upon:
a) your table schema.
b) the data in the tables. E.g. how big are rows, how many rows.
c) the size of the result sets.
d) your indexes?
Andreas
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To: pgsql-performance@postgresql.org
Cc: andreas@kostyrka.org, amir@digi.ph
Subject: Re: Slow SELECT on three or more clients
In-Reply-To: <20061115132909.GA22673@andi-lap.la.revver.com>
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