Join/un-join a Node from a cluster at runtime without restart

On the federation topic, in my case, any node can join/leave cluster.

Is there a way to achieve this without a restart. node.local=true in
elasticsearchy.yml may need a restart.

case 1: New node (already running) can join a cluster

case 2: existing node in a cluster may want to leave and run indendently

From what i understand -

case1 : needs the same in the node, which adds it to the
case2: May need a restart

  • node.local: true in yml file, may get it out of the network.
  • or give a new local name as the ""

has anyone encountered this? I may want to achieve this runtime using
settings, without restarting the node.

Pleae help


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