The number of ports occupied by the master keeps increasing, and the number of tcp established connections keeps increasing

[yixingdddd]

When we use dolphin scheduler (2.0), the established connections between master and worker continue to grow and are not released. Do you have similar problems

netstat -anlp|grep 1234|wc -l
Occupied connections continue to grow, and do not release, it is not clear why
占用的连接会持续增长，且不释放，目前不清楚是什么原因