@@ -253,9 +253,7 @@ def test_backup_multiple_external(self):
253253fname = self .id ().split ('.' )[3 ]
254254node = self .make_simple_node (
255255base_dir = os .path .join (module_name ,fname ,'node' ),
256- initdb_params = ['--data-checksums' ],
257- pg_options = {
258- 'max_wal_senders' :'2' })
256+ initdb_params = ['--data-checksums' ])
259257
260258backup_dir = os .path .join (self .tmp_path ,module_name ,fname ,'backup' )
261259self .init_pb (backup_dir )
@@ -326,9 +324,7 @@ def test_external_backward_compatibility(self):
326324base_dir = os .path .join (module_name ,fname ,'node' ),
327325set_replication = True ,
328326initdb_params = ['--data-checksums' ],
329- pg_options = {
330- 'max_wal_senders' :'2' ,
331- 'autovacuum' :'off' })
327+ pg_options = {'autovacuum' :'off' })
332328
333329self .init_pb (backup_dir ,old_binary = True )
334330self .show_pb (backup_dir )
@@ -429,9 +425,7 @@ def test_external_backward_compatibility_merge_1(self):
429425base_dir = os .path .join (module_name ,fname ,'node' ),
430426set_replication = True ,
431427initdb_params = ['--data-checksums' ],
432- pg_options = {
433- 'max_wal_senders' :'2' ,
434- 'autovacuum' :'off' })
428+ pg_options = {'autovacuum' :'off' })
435429
436430self .init_pb (backup_dir ,old_binary = True )
437431self .show_pb (backup_dir )
@@ -523,9 +517,7 @@ def test_external_backward_compatibility_merge_2(self):
523517base_dir = os .path .join (module_name ,fname ,'node' ),
524518set_replication = True ,
525519initdb_params = ['--data-checksums' ],
526- pg_options = {
527- 'max_wal_senders' :'2' ,
528- 'autovacuum' :'off' })
520+ pg_options = {'autovacuum' :'off' })
529521
530522self .init_pb (backup_dir ,old_binary = True )
531523self .show_pb (backup_dir )
@@ -641,12 +633,10 @@ def test_external_merge(self):
641633base_dir = os .path .join (module_name ,fname ,'node' ),
642634set_replication = True ,
643635initdb_params = ['--data-checksums' ],
644- pg_options = {
645- 'max_wal_senders' :'2' ,
646- 'autovacuum' :'off' })
636+ pg_options = {'autovacuum' :'off' })
647637
648638self .init_pb (backup_dir )
649- self .add_instance (backup_dir ,'node' ,node )
639+ self .add_instance (backup_dir ,'node' ,node , old_binary = True )
650640node .slow_start ()
651641
652642node .pgbench_init (scale = 5 )