Re: Slow query on V12.

From: Luís Roberto Weck <luisroberto(at)siscobra(dot)com(dot)br>
To: nikhil raj <nikhilraj474(at)gmail(dot)com>
Cc: "pgsql-performance(at)lists(dot)postgresql(dot)org" <pgsql-performance(at)lists(dot)postgresql(dot)org>
Subject: Re: Slow query on V12.
Date: 2019-09-23 19:03:54
Message-ID: 13d5836f-27c0-d8c3-0106-6ba0160fcd2b@siscobra.com.br
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Em 23/09/2019 15:43, nikhil raj escreveu:
> Hi,
>
> Can you check by vacuum analyze  the database. And run the query.
>
>
> **Remember don't  use Vacuum full.
>
> On Tue, 24 Sep 2019, 12:07 am Luís Roberto Weck,
> <luisroberto(at)siscobra(dot)com(dot)br <mailto:luisroberto(at)siscobra(dot)com(dot)br>> wrote:
>
> Hi!
>
> Recently I've been looking for bloat in my databases and found a
> query to show which tables are more bloated and by how much.
>
> This is the explain plan on v12.3: https://explain.depesz.com/s/8dW8C
> And this is with v11: https://explain.depesz.com/s/diXY
>
> Both databases have approx. the same size and have the same
> schema, but on v12 I the query takes much longer to run.
>
>
Hi!

Thanks for the reply!

Here's the plan after running vacuum analyze:
https://explain.depesz.com/s/lhcl

There was no difference in execution time.

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