public static void validateCurrentFinalCluster ( final Cluster currentCluster , final Cluster finalCluster ) { validateClusterPartitionCounts ( currentCluster , finalCluster ) ; validateClusterNodeState ( currentCluster , finalCluster ) ; return ; }
A final cluster ought to be a super set of current cluster . I . e . existing node IDs ought to map to same server but partition layout can have changed and there may exist new nodes .