Re: copy and postgresql.conf

Sorry, COPY improvements came with 8.1
(http://www.postgresql.org/docs/whatsnew)

A Dimarts 14 Febrer 2006 14:26, FERREIRA, William (VALTECH) va escriure:
> thanks,
>
> i'm using postgresql 8.0.3
> there is no primary key and no index on my tables
>
> regards
>
> -----Message d'origine-----
> De : pgsql-performance-owner(at)postgresql(dot)org
> [mailto:pgsql-performance-owner(at)postgresql(dot)org]De la part de Albert
> Cervera Areny
> Envoyé : mardi 14 février 2006 12:38
> À : pgsql-performance(at)postgresql(dot)org
> Objet : Re: [PERFORM] copy and postgresql.conf
>
>
>
> Hi William,
> which PostgreSQL version are you using? Newer (8.0+) versions have some
>
> important performance improvements for the COPY command.
>
> Also, you'll notice significant improvements by creating primary & foreign
>
> keys after the copy command. I think config tweaking can improve key and
>
> index creation but I don't think you can improve the COPY command itself.
>
> There are also many threads in this list commenting on this issue, you'll
>
> find it easely in the archives.
>
> A Dimarts 14 Febrer 2006 10:44, FERREIRA, William (VALTECH) va escriure:
> > hi,
> >
> > 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 ?
> >
> > Here are the specifications of my system :
> > V250 architecture sun4u
> > 2xCPU UltraSparc IIIi 1.28 GHz.
> > 8 Go RAM.
> >
> > Regards.
> >
> > Will
> >
> >
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> --
>
> Albert Cervera Areny
> Dept. Informàtica Sedifa, S.L.
>
> Av. Can Bordoll, 149
> 08202 - Sabadell (Barcelona)
> Tel. 93 715 51 11
> Fax. 93 715 51 12
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--
Albert Cervera Areny
Dept. Informàtica Sedifa, S.L.

Av. Can Bordoll, 149
08202 - Sabadell (Barcelona)
Tel. 93 715 51 11
Fax. 93 715 51 12

====================================================================
........................ AVISO LEGAL ............................
La presente comunicación y sus anexos tiene como destinatario la
persona a la que va dirigida, por lo que si usted lo recibe
por error debe notificarlo al remitente y eliminarlo de su
sistema, no pudiendo utilizarlo, total o parcialmente, para
ningún fin. Su contenido puede tener información confidencial o
protegida legalmente y únicamente expresa la opinión del
remitente. El uso del correo electrónico vía Internet no
permite asegurar ni la confidencialidad de los mensajes
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