Event
Worker

id
init
push
done
last
worker

257396
1
0
0
1
0


id
busy
lock
event

0
1
1
257396
1
0
0

2
0
0

3
0
2

4
0
1

5
0
0

6
0
2

7
0
8

8
0
0

9
0
7

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