name         |  setting  | unit |       source       |                 sourcefile                  | sourceline 
----------------------+-----------+------+--------------------+---------------------------------------------+------------
 autovacuum_work_mem  | -1        | kB   | default            |                                             |           
 effective_cache_size | 148635648 | 8kB  | configuration file | /var/lib/postgresql/16/main/postgresql.conf |          6
 maintenance_work_mem | 78643200  | kB   | configuration file | /var/lib/postgresql/16/main/postgresql.conf |          9
 max_connections      | 100       |      | command line       |                                             |           
 shared_buffers       | 49545216  | 8kB  | configuration file | /var/lib/postgresql/16/main/postgresql.conf |         17
 shared_memory_size   | 394457    | MB   | default            |                                             |           
 work_mem             | 8388608   | kB   | configuration file | /var/lib/postgresql/16/main/postgresql.conf |         22
(7 rows)