From: Mario Weilguni <mweilguni@sime.com>
To: Kevin Kempter <kevink@consistentstate.com>
Cc: pgsql-performance <pgsql-performance@postgresql.org>
Subject: Re: performance tuning queries
Date: Thu, 27 Nov 2008 11:09:28 +0100
Message-ID: <492E71D8.4060303@sime.com> (raw)
In-Reply-To: <200811262121.05463.kevin@kevinkempterllc.com>
References: <200811262121.05463.kevin@kevinkempterllc.com>
Kevin Kempter schrieb:
> Hi All;
>
> I'm looking for tips / ideas per performance tuning some specific queries.
> These are generally large tables on a highly active OLTP system
> (100,000 - 200,000 plus queries per day)
>
> First off, any thoughts per tuning inserts into large tables. I have a large
> table with an insert like this:
>
> insert into public.bigtab1 (text_col1, text_col2, id) values ...
>
> QUERY PLAN
> ------------------------------------------
> Result (cost=0.00..0.01 rows=1 width=0)
> (1 row)
>
> The query cost is low but this is one of the slowest statements per pgfouine
>
Do you insert multiple values in one transaction, or one transaction per
insert?
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To: pgsql-performance@postgresql.org
Cc: mweilguni@sime.com, kevink@consistentstate.com
Subject: Re: performance tuning queries
In-Reply-To: <492E71D8.4060303@sime.com>
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