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What is the difference between Gen1 and Gen2 Hadoop with regards to the NameNode?
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What is the difference between Gen1 and Gen2 Hadoop with regards to the NameNode?
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Jun 23, 2023
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HDFS
by
rajeshsharma
What is the difference between Gen1 and Gen2 Hadoop with regards to the NameNode?
hadoop
namenode
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votes
answered
Jun 23, 2023
by
rajeshsharma
In Gen 1 Hadoop, Namenode is the single point of failure. In Gen 2 Hadoop, we have what is known as Active and Passive Namenodes kind of a structure. If the active Namenode fails, passive Namenode takes over the charge.
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