Nginx http upstream check status

Check upstream server number: 5, generation: 15

Index Upstream Name Status Rise counts Fall counts Check type Check port
0 web 127.0.0.1:8081 up 17335 0 http 0
1 web 127.0.0.1:8082 up 791749 0 http 0
2 test 127.0.0.1:8080 down 0 5278248 http 0
3 blog 127.0.0.1:8071 down 0 11036 http 0
4 blog 127.0.0.1:8072 up 9956 0 http 0