doc: Add note about possible performance overhead by enabling track_planning.
Enabling pg_stat_statements.track_plaanning may incur a noticeable performance penalty, especially when a fewer kinds of queries are executed on many concurrent connections. This commit documents this note. Back-patch to v13 where pg_stat_statements.track_plaanning was added. Suggested-by: Pavel Stehule Author: Fujii Masao Reviewed-by: Pavel Stehule Discussion: https://postgr.es/m/cafj8prc9jxa8r5i0tnbwlb8mzuayzeolq3qovip0jvphpol...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/321fa6a4a26c9b649a0fbec9fc8b019f19e62289 Modified Files -------------- doc/src/sgml/pgstatstatements.sgml | 3 +++ 1 file changed, 3 insertions(+)