pg_basebackup is a widely used PostgreSQL backup tool that allows us to take an ONLINE and CONSISTENT file system level backup. These backups can be used for point-in-time-recovery or to set up a slave/standby. You may want to refer to our previous blog posts, PostgreSQL Backup Strategy, Streaming Replication in PostgreSQL and Faster PITR in PostgreSQL where we describe [&]

https://www.percona.com/blog/2018/12/21/backup-restore-postgresql-cluster-multiple-tablespaces-using-pg_basebackup/