How to conduct leader election in etcd cluster

Guide to conducting leader election in an etcd cluster

elect for leader election:

09_etcdctl_elect_2016050501

etcdctl --endpoints=$ENDPOINTS elect one p1

# another client with the same name blocks
etcdctl --endpoints=$ENDPOINTS elect one p2

Last modified February 28, 2022: Create doc branch for v3.6 (9ed5c74)