...acefully 2013-09-09 01:00:02 ~master[21752] NOTICE send exit signal[2] to all worker 2013-09-09 01:00:02 worker1[21758] ALERT caught SIGINT, shutdown gracefully 2013-09-09 01:00:02 worker3[32150] ALERT caught SIGINT, shutdown gracefully 2013-09-09 01:00:02 worker2[29788] ALERT caught SIGINT, shu...