Nginx http upstream check status

Check upstream server number: 4, generation: 32

Index Upstream Name Status Rise counts Fall counts Check type Check port
0 blog 127.0.0.1:8071 up 229264 0 http 0
1 blog 127.0.0.1:8072 down 0 292133 http 0
2 web 127.0.0.1:8091 up 68484 0 http 0
3 web 127.0.0.1:8092 down 0 2150664 http 0