Github user tillrohrmann commented on the pull request: https://github.com/apache/flink/pull/1468#issuecomment-165754886 The idea is to decouple the restart logic from the `JobManager` and to make it configurable on a per job basis. Different strategies are conceivable. For instance, what we have right now, a fixed delay restart strategy. Additions could be an exponential backoff restart strategy or later a scale in/out restart strategy. Furthermore, this allows to set the delays on a per job basis which might be relevant for specific SLAs. But in general it's more like a preliminary step towards the scale in/out restart strategy, I guess.
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