Event
Worker

id
init
push
done
last
worker

591611
0
0
1
1216

591612
1
0
0
1
0


id
busy
lock
event

0
1
0
591612
1
0
3

2
0
0

3
0
0

4
0
0

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