jackjlli opened a new issue #680: Question on CrushEd rebalance algorithm and MasterSalve state model for Pinot URL: https://github.com/apache/helix/issues/680 This is Jack from Pinot team. We have a discussion on the chosen algorithm and the state model for one of our resource in Pinot. The resource is called `leadControllerResource`. The purpose of that is to assign Pinot controllers to different partitions, so that each controller can be the leaders of some partitions and work for the Pinot tables that the relevant partition belong to. And we don't want the partition leadership gets changed frequently. Currently the rebalance algorithm that we are using is CrushED, and the state model is MasterSlave. We're using them in Production now. @kishoreg points out that the model can be simplified as auto rebalance strategy and OnlineOffline state model. So do you have any comments on that? Given the fact that CrushEd and MasterSlave are being used in Production, how hard is it to migrate to the new ones?
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