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If I add new DataNodes to the cluster will HDFS move the blocks to the newly added nodes in order to balance disk space utilization between the nodes?

added blocks cluster datanodes hdfs newly nodes
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If I add new DataNodes to the cluster will HDFS move the blocks to the newly added nodes in order to balance disk space utilization between the nodes?

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No, HDFS will not move blocks to new nodes automatically. However, newly created files will likely have their blocks placed on the new nodes.

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