-- DB Version: 14 -- OS Type: linux -- DB Type: oltp -- Total Memory (RAM): 6 GB -- CPUs num: 6 -- Connections num: 200 -- Data Storage: ssd ALTER SYSTEM SET max_connections = '200'; ALTER SYSTEM SET shared_buffers = '1536MB'; ALTER SYSTEM SET effective_cache_size = '4608MB'; ALTER SYSTEM SET maintenance_work_mem = '384MB'; ALTER SYSTEM SET checkpoint_completion_target = '0.9'; ALTER SYSTEM SET wal_buffers = '16MB'; ALTER SYSTEM SET default_statistics_target = '100'; ALTER SYSTEM SET random_page_cost = '1.1'; ALTER SYSTEM SET effective_io_concurrency = '200'; ALTER SYSTEM SET work_mem = '2621kB'; ALTER SYSTEM SET huge_pages = 'off'; ALTER SYSTEM SET min_wal_size = '2GB'; ALTER SYSTEM SET max_wal_size = '8GB'; ALTER SYSTEM SET max_worker_processes = '6'; ALTER SYSTEM SET max_parallel_workers_per_gather = '3'; ALTER SYSTEM SET max_parallel_workers = '6'; ALTER SYSTEM SET max_parallel_maintenance_workers = '3';