Re: track_planning causing performance regression - Mailing list pgsql-hackers

From Fujii Masao
Subject Re: track_planning causing performance regression
Date
Msg-id f2aa2d6a-3b78-0526-4ca5-8ace10eb745e@oss.nttdata.com
Whole thread Raw
In response to Re: track_planning causing performance regression  (Peter Geoghegan <pg@bowt.ie>)
List pgsql-hackers

On 2021/04/21 23:53, Justin Pryzby wrote:
> Or:
> 
>         Enabling this parameter may incur a noticeable performance penalty,
>         especially similar queries are executed by many concurrent connections
>         and compete to update a small number of pg_stat_statements entries.

I prefer this. But what about using "identical" instead of "similar"
because pg_stat_statements docs already uses "identical" in some places?

Regards,

-- 
Fujii Masao
Advanced Computing Technology Center
Research and Development Headquarters
NTT DATA CORPORATION



pgsql-hackers by date:

Previous
From: Magnus Hagander
Date:
Subject: Re: RFE: Make statistics robust for unplanned events
Next
From: Robert Haas
Date:
Subject: decoupling table and index vacuum