| From: | Rod Taylor <rbt(at)rbt(dot)ca> |
|---|---|
| To: | Kalle Barck-Holst <carl(at)barck-holst(dot)com> |
| Cc: | Pgsql Performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: is insertion and movement times are correlated to |
| Date: | 2002-12-09 13:04:58 |
| Message-ID: | 1039439098.79804.219.camel@jester |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On Mon, 2002-12-09 at 01:30, Kalle Barck-Holst wrote:
> Hi
>
> I am doing a research project on real time robotics and wanted to have the postgres as a database to save measurements we aggregate when running our robots.
>
> A common operation we do is insertion and movements of measurements within tables. But it seams as if insertion and movement times are correlated to the size of the database. Can this be possible? IE inserting into a large database takes longer time than into a small database.
If there are any indexes or constraints, then definitely. The insert
really doesn't have additional overhead for the size of the DB, but the
work involved for most constraints and indexes do.
--
Rod Taylor <rbt(at)rbt(dot)ca>
PGP Key: http://www.rbt.ca/rbtpub.asc
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Hubert depesz Lubaczewski | 2002-12-09 13:05:21 | Re: questions about disk configurations |
| Previous Message | Adrian 'Dagurashibanipal' von Bidder | 2002-12-09 12:01:58 | Re: questions about disk configurations |