limit_req_zone $binary_remote_addr zone=qps1:1m rate=3r/s; location /delay { limit_req zone=qps1 burst=5; }
location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ { expires 24h; log_not_found off; }
innodb_buffer_pool_size = 1G innodb_log_file_size = 256M innodb_log_buffer_size = 4M innodb_flush_log_at_trx_commit = 2 innodb_thread_concurrency = 8 innodb_flush_method = O_DIRECT