diff options
Diffstat (limited to 'doc/src')
| -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 c7f7feaaf89..2e04b8784d9 100644 --- a/doc/src/sgml/pgstatstatements.sgml +++ b/doc/src/sgml/pgstatstatements.sgml @@ -608,8 +608,9 @@        <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> | 
