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The most suitable case of using DataStreamer for the cluster rebalancing is the case when the user sets the rebalanceThreadPoolSize greater than one thread. Note, that using the DataStreamer approach may The DataStreamer is designed to reduce thread contention on batched data insert operations, but it may lead to higher system resources degradation as well. In some of the cases it can be acceptable (e.g. user donates decides to donate some system resources to the rebalance procedure to and reduce the total time of cluster balancing). One of the advantages of this approach is that it will allow users to choose between system stress level and rebalance throughput easily.

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