# MySQL 8.4 — Nexus production tuning for 4 vCPU / 16 GiB host [mysqld] character-set-server = utf8mb4 collation-server = utf8mb4_unicode_ci innodb_buffer_pool_size = 4096M innodb_log_file_size = 512M max_connections = 200 innodb_read_io_threads = 8 innodb_write_io_threads = 8 table_open_cache = 4000 tmp_table_size = 128M max_heap_table_size = 128M [client] default-character-set = utf8mb4