From: Markus Schaber <schabi@logix-tt.com>
To: FERREIRA, William (VALTECH) <william.ferreira@airbus.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: copy and postgresql.conf
Date: Tue, 14 Feb 2006 17:29:32 +0100
Message-ID: <43F2056C.2040109@logix-tt.com> (raw)
In-Reply-To: <414D259CE29DE54DAD534037C83CE4B7269627@FR0-MAILMB20.res.airbus.corp>
References: <414D259CE29DE54DAD534037C83CE4B7269627@FR0-MAILMB20.res.airbus.corp>
Hi, Ferreira,
FERREIRA, William (VALTECH) wrote:
> i load data from files using copy method.
> Files contain between 2 and 7 millions of rows, spread on 5 tables.
>
> For loading all the data, it takes 40mn, and the same processing takes 17mn with Oracle.
> I think that this time can be improved by changing postgresql configuration file.
> But which parameters i need to manipulate and with which values ?
Increase the size of the wal.
If its just a develpoment environment, or you don't mind data
inconsistency in case of a crash, disable fsync.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org
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To: pgsql-performance@postgresql.org
Cc: schabi@logix-tt.com, william.ferreira@airbus.com
Subject: Re: copy and postgresql.conf
In-Reply-To: <43F2056C.2040109@logix-tt.com>
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