Event
Worker

id
init
push
done
last
worker

1858527
1
0
0
1
0


id
busy
lock
event

0
1
0
1858527
1
0
3

2
0
0

3
0
1

4
0
1

5
0
1

6
0
1

7
0
1

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