Re: copy and postgresql.conf

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

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