geosmart commented on issue #7440:
URL:
https://github.com/apache/dolphinscheduler/issues/7440#issuecomment-1000575329
the death mechanism is work with master/worker's suicide.
when the zk session timeout is too short(default is 60s),
the worker or master loss connection from the zk. remove the
`nodes/master/ip:port` node.
other master/worker will watch this event and add the node to
`nodes/dead/ip:port`.
so when the master/worker's network recover and reconnect to zk .
it will revieve the dead node add event, and kill itself.
ref issue: #6880
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