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

On 2021/04/19 23:55, Justin Pryzby wrote:
> What does "kind" mean ?  I think it means a "normalized" query or a "query
> structure".
> 
> "a fewer kinds" is wrong, so I think the docs should say "a small number of
> queries" or maybe:

Okay, I agree to update the description.

>>>>       Enabling this parameter may incur a noticeable performance penalty,
>>>>       especially similar queries are run by many concurrent connections and
>>>>       compete to update the same pg_stat_statements entry

"a small number of" is better than "similar" at the above because
"similar" sounds a bit unclear in this case?

It's better to use "entries" rather than "entry" at the above?

Regards,
  

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