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This is a legacy Apache Ignite documentation

The new documentation is hosted here: https://ignite.apache.org/docs/latest/

In many systems electing cluster leaders usually has to do with data consistency and is generally handled via collecting votes from cluster members. Since in Ignite the data consistency is handled by data grid affinity function (e.g. Rendezvous Hashing), picking leaders in traditional sense for data consistency outside of the data grid is not really needed.