Re: Detect missing combined indexes (automatically)

From: Thomas Kellerer <spam_eater(at)gmx(dot)net>
To: pgsql-performance(at)lists(dot)postgresql(dot)org
Subject: Re: Detect missing combined indexes (automatically)
Date: 2019-01-14 07:19:50
Message-ID: 1154619c-9abc-c39c-c800-ef19b8f37aa6@gmx.net
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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

Thomas

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