Backup Issue for pg_basebackup

We are getting below error when running pg_basebackup for a database. pg_basebackup: error: FATAL: no pg_hba.conf entry for replication connection from host "127.0.0.1", user "postgres", SSL on FATAL: no pg_hba.conf entry for replication connection from host "127.0.0.1", user "postgres", SSL of

Wal file Size required

There is any query in Postgres where I can check wal file count for whole day that menas in which time wal file was generated more and which time wal file was generated less. -- Thanks & Regards, Hunny