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In Hadoop 2 . x release, HDFS federation means Group of answer choices Allow a cluster to scale by adding more datanodes under one namenode.
In Hadoop x release, HDFS federation means
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Allow a cluster to scale by adding more datanodes under one namenode.
Adding more physical memory to both namenode and datanode.
Allowing namenodes to communicate with each other.
Allow a cluster to scale by adding more namenodes.
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