How to check LOG file location

 

 1)  Check the log file 

postgres=# show data_directory ;

     data_directory

-------------------------

 /u02/PostgreSQL/10/data

(1 row)

postgres=# show log_directory ;

 log_directory

---------------

 log

(1 row)

postgres=#

postgres=# show log_filename ;

          log_filename

--------------------------------

 postgresql-%Y-%m-%d_%H%M%S.log

(1 row)

postgres=#

postgres=# select pg_current_logfile();

          pg_current_logfile

--------------------------------------

 log/postgresql-2021-10-24_000000.log

(1 row)