Re: Time to insert - Mailing list pgsql-general

From Renaud Thonnart
Subject Re: Time to insert
Date
Msg-id 3AF15178.DF5F10C0@amwdb.u-strasbg.fr
Whole thread Raw
In response to Re: Time to insert  (Einar Karttunen <ekarttun@cs.Helsinki.FI>)
Responses Re: Time to insert  (Einar Karttunen <ekarttun@cs.Helsinki.FI>)
View Queries to server  (Ryan Mahoney <ryan@paymentalliance.net>)
List pgsql-general
Thank you Einar and Colin for your help.

I have some little qusetions more :

- How do I interpret a VACUUM ANALYSE ?
- I'm going to load version 7.1 : what is the difference between 7.1 and
7.1rc4 ?

Renaud THONNART


Einar Karttunen wrote:

> On Thu, 3 May 2001, Renaud Thonnart wrote:
>
> > It is a little difficult to perform VACUUM analyse because I'm writing an
> > application in C++ using libpq++.
> > I Use version 7.0.3
> > I try COPY too but result was about the same.
> >
> int PgConnection::ExecCommandOk("VACUUM ANALYZE");
>
> If you can upgrading to 7.1 it will probably help with the performance
> problem. The copy is good only if you perform very many inserts the
> same time. I use a cron job that performs the vacuuming so I don't
> have to worry about it in client aps. If you have multiple inserts,
> but not so many that you should use a copy, try wrapping them in a
> single transaction.
>
> - Einar Karttunen


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