pgpoolの設定(ストリーミングレプリケーション)について

前提

https://www.fujitsu.com/jp/products/software/resources/feature-stories/postgres/article-index/pgpool2/

図9 Pgpool-IIを利用したシステム構成例（アプリケーションサーバーに同居）の例を参考に
ストリーミングレプリケーションの設定作業を行っています。

発生している問題・エラーメッセージ

試行錯誤しながら、なんとか設定出来たと思っていたのですが、
いざ、pgpoolのインストールサーバのpsqlコマンドでのinsert を実行すると、だんまりになります。
アプリケーションからpgpoolを介したinsertも同様です。

CTRL+Cで強制終了すると、

psqlでキャンセル
1^C
2キャンセル要求を送信しました
3WARNING:  ユーザからの要求により同期レプリケーションの待ち状態をキャンセルしています
4DETAIL:  トランザクションはローカルではすでにコミット済みですが、スタンバイ側にはレプリケーションされていない可能性があります。

と出ますが、その後selectするとinsertしたものが出てきます。

実現したいこと

insert後、即レスポンスを返す状態になってほしい。
pgpool.confの設定か、postgresql.confの設定のどちらかがまずいのだと思うのですが、
同じようなことで悩まれた方はいないでしょうか？

補足情報（FW/ツールのバージョンなど）

Postgres 13.3
Pgpool 4.2.4

pgpool.conf
1backend_clustering_mode = 'streaming_replication'
2listen_addresses = '*'
3port = 9999
4socket_dir = '/var/run/postgresql'
5reserved_connections = 0
6pcp_listen_addresses = '*'
7pcp_port = 9898
8pcp_socket_dir = '/var/run/postgresql'
9listen_backlog_multiplier = 2
10serialize_accept = off
11backend_hostname0 = '172.30.2.101'
12backend_port0 = 5432
13backend_weight0 = 1
14backend_data_directory0 = '/usr/pgsql-13/data'
15backend_flag0 = 'ALLOW_TO_FAILOVER'
16backend_application_name0 = 'server0'
17backend_hostname1 = '172.30.2.102'
18backend_port1 = 5432
19backend_weight1 = 1
20backend_data_directory1 = '/usr/pgsql-13/data'
21backend_flag1 = 'ALLOW_TO_FAILOVER'
22backend_application_name1 = 'server1'
23enable_pool_hba = off
24pool_passwd = 'pool_passwd'
25authentication_timeout = 1min
26allow_clear_text_frontend_auth = off
27ssl = off
28ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL'
29ssl_prefer_server_ciphers = off
30ssl_ecdh_curve = 'prime256v1'
31ssl_dh_params_file = ''
32num_init_children = 32
33max_pool = 4
34child_life_time = 5min
35child_max_connections = 0
36connection_life_time = 0
37client_idle_limit = 0
38log_destination = 'syslog'
39log_line_prefix = '%t: pid %p: '   # printf-style string to output at beginning of each log line.
40log_connections = off
41log_disconnections = off
42log_hostname = off
43log_statement = off
44log_per_node_statement = off
45log_client_messages = off
46log_standby_delay = 'if_over_threshold'
47syslog_facility = 'LOCAL0'
48syslog_ident = 'pgpool'
49client_min_messages = notice           # values in order of decreasing detail:
50log_min_messages = warning             # values in order of decreasing detail:
51pid_file_name = '/var/run/pgpool/pgpool.pid'
52logdir = '/tmp'
53connection_cache = on
54reset_query_list = 'ABORT; DISCARD ALL'
55replicate_select = off
56insert_lock = off
57lobj_lock_table = ''
58replication_stop_on_mismatch = off
59failover_if_affected_tuples_mismatch = off
60load_balance_mode = on
61ignore_leading_white_space = on
62read_only_function_list = ''
63write_function_list = ''
64primary_routing_query_pattern_list = ''
65database_redirect_preference_list = ''
66app_name_redirect_preference_list = ''
67allow_sql_comments = off
68disable_load_balance_on_write = 'transaction'
69dml_adaptive_object_relationship_list= ''
70statement_level_load_balance = off
71sr_check_period = 10
72sr_check_user = 'postgres'
73sr_check_password = 'testpass'
74sr_check_database = 'postgres'
75delay_threshold = 10000000
76follow_primary_command = ''
77health_check_period = 60
78health_check_timeout = 20
79health_check_user = 'postgres'
80health_check_password = 'testpass'
81health_check_database = ''
82health_check_max_retries = 0
83health_check_retry_delay = 1
84connect_timeout = 10000
85failover_command = '/etc/pgpool-II/failover.sh %d %h %p %D %m %H %M %P %r %R %N %S'
86failback_command = ''
87failover_on_backend_error = on
88detach_false_primary = off
89search_primary_node_timeout = 5min
90recovery_user = 'postgres'
91recovery_password = 'testpass'
92recovery_1st_stage_command = 'recovery_1st_stage.sh'
93recovery_2nd_stage_command = ''
94recovery_timeout = 90
95client_idle_limit_in_recovery = 0
96auto_failback = off
97auto_failback_interval = 1min
98use_watchdog = on
99trusted_servers = ''
100ping_path = '/bin'
101hostname0 = '172.30.2.99'
102wd_port0 = 9000
103pgpool_port0 = 9999
104hostname1 = '172.30.2.100'
105wd_port1 = 9000
106pgpool_port1 = 9999
107hostname2 = '172.30.2.103'
108wd_port2 = 9000
109pgpool_port2 = 9999
110wd_priority = 1
111wd_authkey = ''
112wd_ipc_socket_dir = '/var/run/postgresql'
113delegate_IP = ''
114if_cmd_path = '/sbin'
115if_up_cmd = '/usr/bin/sudo /sbin/ip addr add $_IP_$/24 dev eth0 label eth0:0'
116if_down_cmd = '/usr/bin/sudo /sbin/ip addr del $_IP_$/24 dev eth0'
117arping_path = '/usr/sbin'
118arping_cmd = '/usr/bin/sudo /usr/sbin/arping -U $_IP_$ -w 1 -I eth0'
119clear_memqcache_on_escalation = on
120wd_escalation_command = ''
121wd_de_escalation_command = ''
122failover_when_quorum_exists = on
123failover_require_consensus = on
124allow_multiple_failover_requests_from_node = off
125enable_consensus_with_half_votes = off
126wd_monitoring_interfaces_list = ''
127wd_lifecheck_method = 'heartbeat'
128wd_interval = 10
129heartbeat_hostname0 = '172.30.2.99'
130heartbeat_port0 = 9694
131heartbeat_device0 = ''
132heartbeat_hostname1 = '172.30.2.100'
133heartbeat_port1 = 9694
134heartbeat_device1 = ''
135heartbeat_hostname2 = '172.30.2.103'
136heartbeat_port2 = 9694
137heartbeat_device2 = ''
138wd_heartbeat_keepalive = 2
139wd_heartbeat_deadtime = 30
140wd_life_point = 3
141wd_lifecheck_query = 'SELECT 1'
142wd_lifecheck_dbname = 'template1'
143wd_lifecheck_user = 'nobody'
144wd_lifecheck_password = ''
145relcache_expire = 0
146relcache_size = 256
147check_temp_table = catalog
148check_unlogged_table = on
149enable_shared_relcache = on
150relcache_query_target = primary
151memory_cache_enabled = off
152memqcache_method = 'shmem'
153memqcache_memcached_host = 'localhost'
154memqcache_memcached_port = 11211
155memqcache_total_size = 64MB
156memqcache_max_num_cache = 1000000
157memqcache_expire = 0
158memqcache_auto_cache_invalidation = on
159memqcache_maxcache = 400kB
160memqcache_cache_block_size = 1MB
161memqcache_oiddir = '/var/log/pgpool/oiddir'
162cache_safe_memqcache_table_list = ''
163cache_unsafe_memqcache_table_list = ''
164

postgresql.conf
1listen_addresses = '*'			# what IP address(es) to listen on;
2max_connections = 100			# (change requires restart)
3password_encryption = scram-sha-256		# md5 or scram-sha-256
4shared_buffers = 128MB			# min 128kB
5dynamic_shared_memory_type = posix	# the default is the first option
6wal_level = replica			# minimal, replica, or logical
7synchronous_commit = remote_apply 		# synchronization level;
8wal_log_hints = on			# also do full page writes of non-critical updates
9max_wal_size = 1GB
10min_wal_size = 80MB
11archive_mode = on		# enables archiving; off, on, or always
12archive_command = 'cp "%p" "/usr/pgsql-13/archivedir/%f"'		# command to use to archive a logfile segment
13max_wal_senders = 10		# max number of walsender processes
14max_replication_slots = 10	# max number of replication slots
15synchronous_standby_names = 's1'	# standby servers that provide sync rep
16hot_standby = on			# "off" disallows queries during recovery
17log_destination = 'stderr'		# Valid values are combinations of
18logging_collector = on			# Enable capturing of stderr and csvlog
19log_directory = 'log'			# directory where log files are written,
20log_filename = 'postgresql-%a.log'	# log file name pattern,
21log_truncate_on_rotation = on		# If on, an existing log file with the
22log_rotation_age = 1d			# Automatic rotation of logfiles will
23log_rotation_size = 0			# Automatic rotation of logfiles will
24log_line_prefix = '%m [%p] '		# special values:
25log_timezone = 'Asia/Tokyo'
26datestyle = 'iso, ymd'
27timezone = 'Asia/Tokyo'
28lc_messages = 'ja_JP.UTF-8'			# locale for system error message
29lc_monetary = 'ja_JP.UTF-8'			# locale for monetary formatting
30lc_numeric = 'ja_JP.UTF-8'			# locale for number formatting
31lc_time = 'ja_JP.UTF-8'				# locale for time formatting
32default_text_search_config = 'pg_catalog.simple'