Only since Postgres 10, one can take backup of wals along with full backup (in tar format) using pg_basebackup ERROR: pg_basebackup: WAL streaming can only be used in plain mode Try "pg_basebackup --help" for more information You dont see that error since Postgres 10 instead you see a separate tar file for wals.
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Соглашаюсь с условиями обработки персональных данных