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| -rw-r--r-- | doc/src/sgml/pgstatstatements.sgml | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/src/sgml/pgstatstatements.sgml b/doc/src/sgml/pgstatstatements.sgml index 430d8bf07c4..cf2d25b7b22 100644 --- a/doc/src/sgml/pgstatstatements.sgml +++ b/doc/src/sgml/pgstatstatements.sgml @@ -607,6 +607,9 @@ <para> <varname>pg_stat_statements.track_planning</varname> controls whether planning operations and duration are tracked by the module. + Enabling this parameter may incur a noticeable performance penalty, + especially when a fewer kinds of queries are executed on many + concurrent connections. The default value is <literal>off</literal>. Only superusers can change this setting. </para> |