diff options
| -rw-r--r-- | contrib/auto_explain/auto_explain.c | 10 | ||||
| -rw-r--r-- | doc/src/sgml/auto-explain.sgml | 13 |
2 files changed, 11 insertions, 12 deletions
diff --git a/contrib/auto_explain/auto_explain.c b/contrib/auto_explain/auto_explain.c index 6708d817fba..fcd11a00713 100644 --- a/contrib/auto_explain/auto_explain.c +++ b/contrib/auto_explain/auto_explain.c @@ -29,7 +29,7 @@ static bool auto_explain_log_triggers = false; static bool auto_explain_log_timing = true; static int auto_explain_log_format = EXPLAIN_FORMAT_TEXT; static bool auto_explain_log_nested_statements = false; -static double auto_explain_sample_ratio = 1; +static double auto_explain_sample_rate = 1; static const struct config_enum_entry format_options[] = { {"text", EXPLAIN_FORMAT_TEXT, false}, @@ -163,10 +163,10 @@ _PG_init(void) NULL, NULL); - DefineCustomRealVariable("auto_explain.sample_ratio", + DefineCustomRealVariable("auto_explain.sample_rate", "Fraction of queries to process.", NULL, - &auto_explain_sample_ratio, + &auto_explain_sample_rate, 1.0, 0.0, 1.0, @@ -209,11 +209,11 @@ static void explain_ExecutorStart(QueryDesc *queryDesc, int eflags) { /* - * For ratio sampling, randomly choose top-level statement. Either + * For rate sampling, randomly choose top-level statement. Either * all nested statements will be explained or none will. */ if (auto_explain_log_min_duration >= 0 && nesting_level == 0) - current_query_sampled = (random() < auto_explain_sample_ratio * + current_query_sampled = (random() < auto_explain_sample_rate * MAX_RANDOM_VALUE); if (auto_explain_enabled() && current_query_sampled) diff --git a/doc/src/sgml/auto-explain.sgml b/doc/src/sgml/auto-explain.sgml index 6f1bde0d17e..38e6f50c802 100644 --- a/doc/src/sgml/auto-explain.sgml +++ b/doc/src/sgml/auto-explain.sgml @@ -206,18 +206,17 @@ LOAD 'auto_explain'; <varlistentry> <term> - <varname>auto_explain.sample_ratio</varname> (<type>real</type>) + <varname>auto_explain.sample_rate</varname> (<type>real</type>) <indexterm> - <primary><varname>auto_explain.sample_ratio</> configuration parameter</primary> + <primary><varname>auto_explain.sample_rate</> configuration parameter</primary> </indexterm> </term> <listitem> <para> - <varname>auto_explain.sample_ratio</varname> (<type>floating point</type>) - causes auto_explain to only explain a fraction of the statements in each - session. The default is 1, meaning explain all the queries. In case - of nested statements, either all will be explained or none. Only - superusers can change this setting. + <varname>auto_explain.sample_rate</varname> causes auto_explain to only + explain a fraction of the statements in each session. The default is 1, + meaning explain all the queries. In case of nested statements, either all + will be explained or none. Only superusers can change this setting. </para> </listitem> </varlistentry> |