Event
Worker

id
init
push
done
last
worker

374908
1
0
0
2
0


id
busy
lock
event

0
1
1
374908
1
0
5

2
0
0

3
0
0

4
0
0

5
0
1

6
0
0

7
0
1

8
0
3

9
0
1

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