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leader election

From

Cover of Mastering Kubernetes

Note

In distributed computing, leader election is the process of designating a single process as the organizer, coordinator, initiator or sequencer of some task distributed among several computers (nodes).

Why Leader Election?

Centralized controller simplifies process synchronization.
However, it is a single point of failure and can limit service.
Solution is to choose a new controller(leader), upon failure of the existing controller.
Many algorithms for leader election.