devdocs/specs/postgres-useful-info.txt

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+POSTGRES USEFUL INFO
+
+//this is handy:
+http://okigiveup.net/what-postgresql-tells-you-about-its-performance/
+
+How to find log files and configure them
+https://www.endpoint.com/blog/2014/11/12/dear-postgresql-where-are-my-logs
+
+
+
+2020-05-21 THIS SUPERSEDES BELOW  
+HOW TO FIND SHITTY INDEXES: https://gist.github.com/jberkus/6b1bcaf7724dfc2a54f3
+
+top five tables by size (bytes)
+SELECT 
+       relname AS "table_name", 
+       pg_table_size(C.oid) AS "table_size" 
+FROM 
+       pg_class C 
+LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 
+WHERE nspname NOT IN ('pg_catalog', 'information_schema') AND nspname !~ '^pg_toast' AND relkind IN ('r') 
+ORDER BY pg_table_size(C.oid) 
+DESC LIMIT 10;
+
+
+TOTAL DATABASE SIZE
+select pg_database_size(current_database());//size in bytes