The site use nginx+php-fpm. Today, accessing some pages returns 502 state in a few seconds (different from 502 caused by php script timeout), while other pages stay in service.
Status page of php-fpm shows all processes are
active, but they're all stucked in
State: finishing, and load of server is low.
pid: 12775 state: Finishing start time: 18/May/2013:16:50:27 +0800 start since: 755 requests: 59 request duration: 743543095 request method: GET request URI: /index.php content length: 0 user: - script: /data/webserver/index.php last request cpu: 0.00 last request memory: 0
I'm wondering why this happened, although it becomes well after I restart the