Nginx http upstream check status

Check upstream server number: 5, generation: 17

Index Upstream Name Status Rise counts Fall counts Check type Check port
0 blog 127.0.0.1:8071 up 11103 0 http 0
1 blog 127.0.0.1:8072 down 0 926579 http 0
2 sharding 127.0.0.1:8011 down 0 928965 http 0
3 sharding 127.0.0.1:8012 up 2205 0 http 0
4 qinglong 127.0.0.1:15700 up 5049993 0 http 0