diff --git a/doc/src/sgml/ref/pgbench.sgml b/doc/src/sgml/ref/pgbench.sgml
index 0c60077e1f..0f432767c2 100644
--- a/doc/src/sgml/ref/pgbench.sgml
+++ b/doc/src/sgml/ref/pgbench.sgml
@@ -220,6 +220,9 @@ pgbench options d
data is generated in pgbench client and then
sent to the server. This uses the client/server bandwidth
extensively through a COPY.
+ pgbench uses the FREEZE option with 14 or later
+ versions of PostgreSQL to speed up
+ subsequent VACUUM, unless partitions are enabled.
Using g causes logging to print one message
every 100,000 rows while generating data for the
pgbench_accounts table.
diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index a33c91dced..4c9952a85a 100644
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -4153,6 +4153,7 @@ initGenerateDataClientSide(PGconn *con)
PGresult *res;
int i;
int64 k;
+ char *copy_statement;
/* used to track elapsed time and estimate of the remaining time */
pg_time_usec_t start;
@@ -4199,7 +4200,15 @@ initGenerateDataClientSide(PGconn *con)
/*
* accounts is big enough to be worth using COPY and tracking runtime
*/
- res = PQexec(con, "copy pgbench_accounts from stdin");
+
+ /* use COPY with FREEZE on v14 and later without partioning */
+ if (partitions == 0 && PQserverVersion(con) >= 140000)
+ copy_statement = "copy pgbench_accounts from stdin with (freeze on)";
+ else
+ copy_statement = "copy pgbench_accounts from stdin";
+
+ res = PQexec(con, copy_statement);
+
if (PQresultStatus(res) != PGRES_COPY_IN)
{
pg_log_fatal("unexpected copy in result: %s", PQerrorMessage(con));