# cat /tmp/pgproee/9.6/backup/data/backups/data_archive/pg_probackup.conf
#Backup instance info
PGDATA = /tmp/pgproee/9.6/data
system-identifier = 6438899797597707829
#Connection parameters:
PGDATABASE = postgres
PGUSER = repl
#Replica parameters:
#Logging parameters:
log-level = LOG
log-filename = data_archive.log
error-log-filename = data_archive_error.log
#Retention parameters:
retention-redundancy = 5
#Compression parameters:
compress-algorithm = zlib
compress-level = 6

#ls -l /tmp/pgproee/9.6/backup/data/wal/data_archive/
total 131080
-rw------- 1 postgres postgres 16777216 Jul  4 17:15 000000010000000000000001
-rw------- 1 postgres postgres 16777216 Jul  4 17:15 000000010000000000000002
-rw------- 1 postgres postgres 16777216 Jul  5 10:27 000000010000000000000003
-rw------- 1 postgres postgres 16777216 Jul  5 10:27 000000010000000000000004
-rw------- 1 postgres postgres      314 Jul  5 10:27 000000010000000000000004.00000028.backup
-rw------- 1 postgres postgres 16777216 Jul  5 10:27 000000010000000000000005
-rw------- 1 postgres postgres 16777216 Jul  5 10:29 000000010000000000000006
-rw------- 1 postgres postgres 16777216 Jul  5 10:29 000000010000000000000007
-rw------- 1 postgres postgres      314 Jul  5 10:29 000000010000000000000007.00000028.backup
-rw------- 1 postgres postgres 16777216 Jul  5 10:29 000000010000000000000008