diff options
| -rw-r--r-- | doc/src/sgml/pgstatstatements.sgml | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/src/sgml/pgstatstatements.sgml b/doc/src/sgml/pgstatstatements.sgml index f20b255d4e4..1696a6e6369 100644 --- a/doc/src/sgml/pgstatstatements.sgml +++ b/doc/src/sgml/pgstatstatements.sgml @@ -696,8 +696,9 @@ <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. + especially when statements with identical query structure are executed + by many concurrent connections which compete to update a small number of + <structname>pg_stat_statements</structname> entries. The default value is <literal>off</literal>. Only superusers can change this setting. </para> |