Event
Worker

id
init
push
done
last
worker

161228
0
0
1
5911

161229
1
0
0
8
0


id
busy
lock
event

0
1
7
161229
1
0
1

2
0
9

3
0
0

4
0
0

selected: 1, valid: 1, accept: 0, readwrite: 1