wal_level = 'logical';
max_replication_slots = 5; #该值要大于1
修改后需要重启才能生效
CREATE ROLE test_rep LOGIN ENCRYPTED PASSWORD 'xxxx' REPLICATION;
GRANT CONNECT ON DATABASE test_database to test_rep;在 pg_hba.conf 中增加配置: host replication test_rep all md5
修改后需要reload才能生效