nginx性能调优

仅介绍简单的参数, 后续进阶待补充

# upload
client_body_temp_path /tmp/nginx_upload 1 2;
client_max_body_size 1024M; # max
client_body_buffer_size 1M; # 超过1M才写临时文件
client_body_timeout 300s;
# download
proxy_buffering off;       # 禁用缓冲，直接流式传输
proxy_force_ranges on;      # 支持断点续传
chunked_transfer_encoding on;