[google-cloud-sql-discuss] Update conf file with ALTER SYSTEM SET on Postgres

I want to update the conf file of my server because I need to have more workers for my queries but setting max_logical_replication_workers = 8.

But I get error that its not allowed when running this:

ALTER SYSTEM SET max_logical_replication_workers = 8;

ERROR: must be superuser to execute ALTER SYSTEM command

I saw from the docs that I canot have superuser permissions. 

Is there a way to update this fields? its seems very weird to me that I canot scale my server.

I tested my server by getting 16vCPU to work but each query is capped to 4 workers so getting bigger machines does nothing.

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