Re: Slow index creation

Thanks for all the suggestions,

When the server is not in use for mission-critical work, I'll definitely
going to do some testing based on your ideas.
Will let you know what comes out of that

Cheers,
Paul

On Thu, Feb 18, 2021 at 6:49 PM hubert depesz lubaczewski <depesz(at)depesz(dot)com>
wrote:

> On Thu, Feb 18, 2021 at 10:24:25AM -0700, Michael Lewis wrote:
> > [1]
> https://www.depesz.com/2010/03/18/profiling-stored-proceduresfunctions/
> >
> > Thanks for this reference. I enjoy your blog, but haven't made the time
> to read all the archives somehow. Stuff doesn't stick very
> > well when it isn't yet "needed" info besides.
> > I have seen overhead from 'raise notice' in small functions that are
> sometimes called many thousands of times in a single query, but
> > hadn't done the test to verify if the same overhead still exists for
> raise debug or another level below both client_min_messages
> > and log_min_messages. Using your examples, I saw about .006 ms for each
> call to RAISE DEBUG with a client/log_min as notice/warning.
>
> Sure, this overhead is definitely possible, but kinda besides the point
> - there will be some slowdowns in other places, and it will be good to
> track them.
> That's why I suggested to do it on small sample of data.
>
> Best regards,
>
> depesz
>
>