Re: Detect missing combined indexes (automatically) - Mailing list pgsql-performance

On Mon, Jan 14, 2019 at 8:20 AM Thomas Kellerer <spam_eater@gmx.net> wrote:
>
> Thomas Güttler schrieb am 10.01.2019 um 13:56:
> > Is there a way to detect missing combined indexes automatically
> >
> > I am managing a lot of databases and I think a lot of performance
> > could get gained.
> >
> > But I don't want to do this manually.
> >
> > My focus is on missing combined indexes, since for missing
> > single indexes there are already tools available.
>
> The PoWA monitoring tool contains an extension to suggest missing indexes.
>
> I don't know if that includes multi-column indexes though, but it might be worth a try:
>
>     https://powa.readthedocs.io/en/latest/stats_extensions/pg_qualstats.html

Yes, it can handle multi-column indexes.