Event
Worker

id
init
push
done
last
worker

597
0
0
1
39892

598
0
0
1
6849

601
1
0
0
1
0


id
busy
lock
event

0
1
0
601
1
0
0

2
0
0

3
0
0

4
0
0

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