| From: | Markus Schaber <schabi(at)logix-tt(dot)com> |
|---|---|
| To: | "FERREIRA, William (VALTECH)" <william(dot)ferreira(at)airbus(dot)com> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: copy and postgresql.conf |
| Date: | 2006-02-14 16:29:32 |
| Message-ID: | 43F2056C.2040109@logix-tt.com |
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| Thread: | |
| Lists: | pgsql-performance |
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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