diff --git a/test/infra/docker-pgsql16-single/conf/proxysql/config.sql b/test/infra/docker-pgsql16-single/conf/proxysql/config.sql
index 276cbed01..bfa071521 100644
--- a/test/infra/docker-pgsql16-single/conf/proxysql/config.sql
+++ b/test/infra/docker-pgsql16-single/conf/proxysql/config.sql
@@ -1,6 +1,6 @@
 DELETE FROM pgsql_servers;
-INSERT INTO pgsql_servers (hostgroup_id,hostname,port,max_replication_lag,max_connections,comment) VALUES (0,'127.0.0.1',15432,0,500,'pgsql1');
-INSERT INTO pgsql_servers (hostgroup_id,hostname,port,max_replication_lag,max_connections,comment) VALUES (1,'127.0.0.1',15432,0,500,'pgsql1');
+INSERT INTO pgsql_servers (hostgroup_id,hostname,port,max_replication_lag,max_connections,comment) VALUES (0,'127.0.0.1',15432,0,50,'pgsql1');
+INSERT INTO pgsql_servers (hostgroup_id,hostname,port,max_replication_lag,max_connections,comment) VALUES (1,'127.0.0.1',15432,0,50,'pgsql1');
 
 LOAD PGSQL SERVERS TO RUNTIME;
 SAVE PGSQL SERVERS TO DISK;