Event
Worker

id
init
push
done
last
worker

98579
1
0
0
3
0


id
busy
lock
event

0
1
0
98579
1
0
0

2
0
0

3
0
1

4
0
2

5
0
0

6
0
8

7
0
3

8
0
10

9
0
1

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