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-rw-r--r--src/backend/utils/misc/guc.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index cd5a65be75b..83a9fc2b4c6 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -510,6 +510,7 @@ int client_min_messages = NOTICE;
int log_min_duration_statement = -1;
int log_temp_files = -1;
double log_statement_sample_rate = 1.0;
+double log_xact_sample_rate = 0;
int trace_recovery_messages = LOG;
int temp_file_limit = -1;
@@ -3386,6 +3387,18 @@ static struct config_real ConfigureNamesReal[] =
NULL, NULL, NULL
},
+ {
+ {"log_transaction_sample_rate", PGC_SUSET, LOGGING_WHEN,
+ gettext_noop("Set the fraction of transactions to log for new transactions."),
+ gettext_noop("Logs all statements from a fraction of transactions. "
+ "Use a value between 0.0 (never log) and 1.0 (log all "
+ "statements for all transactions).")
+ },
+ &log_xact_sample_rate,
+ 0.0, 0.0, 1.0,
+ NULL, NULL, NULL
+ },
+
/* End-of-list marker */
{
{NULL, 0, 0, NULL, NULL}, NULL, 0.0, 0.0, 0.0, NULL, NULL, NULL