Event
Worker

id
init
push
done
last
worker

409480
1
0
0
1
0


id
busy
lock
event

0
1
0
409480
1
0
7

2
0
8

3
0
0

4
0
0

5
0
0

6
0
1

7
0
1

8
0
0

9
0
1

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