Event
Worker

id
init
push
done
last
worker

151502
1
0
0
1
0


id
busy
lock
event

0
1
0
151502
1
0
3

2
0
3

3
0
9

4
0
8

5
0
0

6
0
6

7
0
7

8
0
8

9
0
0

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