Event
Worker

id
init
push
done
last
worker

745390
1
0
0
0
0
745389
0
0
1
769



id
busy
lock
event

0
1
0
745390
1
0
0

2
0
0

3
0
0

4
0
0

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