npawar commented on issue #3604: Add ControllerLeadershipManager as single place to check controller leadership changes URL: https://github.com/apache/incubator-pinot/pull/3604#issuecomment-447171842 Agree that the subscribers should not really know "leader" or "not leader", eventually, when we get to a distributed load model. As of now, the periodic tasks do check for leader before executing, and this is one way to get them to start/stop on leadership changes. Even in the distributed model, the periodic tasks would have to start/stop and switch between the controller responsible for it.
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