<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hello, replication is working, if I execute "select * from pg_stat_replication;" on master node I see state and sync_state, but with SHOW POOL_NODES, replication_state and replication_sync_state are empty.</div><div>I set the backend_application_name for every node in pgpool.conf, which could be the issue?</div><div>This is pgpool.conf backend settings:</div><div><br data-mce-bogus="1"></div><div><div># - Backend Connection Settings -</div><div><br></div><div>backend_hostname0 = 'vm-lxpgresc1'</div><div> # Host name or IP address to connect to for backend 0</div><div>backend_port0 = 5432</div><div> # Port number for backend 0</div><div>backend_weight0 = 1</div><div> # Weight for backend 0 (only in load balancing mode)</div><div>backend_data_directory0 = '/var/lib/pgsql/12/data'</div><div> # Data directory for backend 0</div><div>backend_flag0 = 'ALLOW_TO_FAILOVER'</div><div> # Controls various backend behavior</div><div> # ALLOW_TO_FAILOVER, DISALLOW_TO_FAILOVER</div><div> # or ALWAYS_PRIMARY</div><div>backend_application_name0 = 'vm-lxpgresc1'</div><div> # walsender's application_name, used for "show pool_nodes" command</div><div><br></div><div><br></div><div>backend_hostname1 = 'vm-lxpgresc2'</div><div> # Host name or IP address to connect to for backend 0</div><div>backend_port1 = 5432</div><div> # Port number for backend 0</div><div>backend_weight1 = 1</div><div> # Weight for backend 0 (only in load balancing mode)</div><div>backend_data_directory1 = '/var/lib/pgsql/12/data'</div><div> # Data directory for backend 0</div><div>backend_flag1 = 'ALLOW_TO_FAILOVER'</div><div> # Controls various backend behavior</div><div> # ALLOW_TO_FAILOVER, DISALLOW_TO_FAILOVER</div><div> # or ALWAYS_PRIMARY</div><div>backend_application_name1 = 'vm-lxpgresc2'</div><div> # walsender's application_name, used for "show pool_nodes" command</div><div><br data-mce-bogus="1"></div><div><div>backend_hostname2 = 'vm-lxpgresc3'</div><div> # Host name or IP address to connect to for backend 0</div><div>backend_port2 = 5432</div><div> # Port number for backend 0</div><div>backend_weight2 = 1</div><div> # Weight for backend 0 (only in load balancing mode)</div><div>backend_data_directory2 = '/var/lib/pgsql/12/data'</div><div> # Data directory for backend 0</div><div>backend_flag2 = 'ALLOW_TO_FAILOVER'</div><div> # Controls various backend behavior</div><div> # ALLOW_TO_FAILOVER, DISALLOW_TO_FAILOVER</div><div> # or ALWAYS_PRIMARY</div><div>backend_application_name2 = 'vm-lxpgresc3'</div><div> # walsender's application_name, used for "show pool_nodes" command</div></div></div><div><br data-mce-bogus="1"></div></div></body></html>