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.
321fa6a4a2 doc: Add note about possible performance overhead by enabling track_planning.
doc/src/sgml/pgstatstatements.sgml | 3 +++
1 file changed, 3 insertions(+)