Event
Worker

id
init
push
done
last
worker

252963
1
0
0
1
0


id
busy
lock
event

0
1
0
252963
1
0
0

2
0
0

3
0
0

4
0
1

5
0
0

6
0
0

7
0
2

8
0
5

9
0
5

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