Event
Worker

id
init
push
done
last
worker

302003
1
0
0
2
0


id
busy
lock
event

0
1
0
302003
1
0
1

2
0
0

3
0
1

4
0
0

5
0
2

6
0
0

7
0
0

8
0
1

9
0
2

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