Re: How long should it take to insert 200,000 records?

On 2/6/07, Scott Marlowe <smarlowe@g2switchworks.com> wrote:
> On Tue, 2007-02-06 at 10:40, Merlin Moncure wrote:
> > On 2/6/07, Scott Marlowe <smarlowe@g2switchworks.com> wrote:
> > > On Mon, 2007-02-05 at 18:35, Karen Hill wrote:
> > > > I have a pl/pgsql function that is inserting 200,000 records for
> > > > testing purposes.  What is the expected time frame for this operation
> > > > on a pc with 1/2 a gig of ram and a 7200 RPM disk?   The processor is
> > > > a 2ghz cpu.  So far I've been sitting here for about 2 million ms
> > > > waiting for it to complete, and I'm not sure how many inserts postgres
> > > > is doing per second.
> > >
> > > That really depends.  Doing 200,000 inserts as individual transactions
> > > will be fairly slow.  Since PostgreSQL generally runs in autocommit
> > > mode, this means that if you didn't expressly begin a transaction, you
> > > are in fact inserting each row as a transaction.  i.e. this:
> >
> > I think OP is doing insertion inside a pl/pgsql loop...transaction is
> > implied here.
>
> Yeah, I noticed that about 10 seconds after hitting send... :)

actually, I get the stupid award also because RI check to unindexed
column is not possible :)  (this haunts deletes, not inserts).

merlin