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Explain the difference between NAS and HDFS?

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Explain the difference between NAS and HDFS?
posted Jan 11, 2017 by Jdk

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1 Answer

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Differences between HDFS and NAS are

  • In HDFS Data Blocks are distributed across local drives of all machines in a cluster. Whereas in NAS data is stored on dedicated hardware.
  • HDFS is designed to work with Map Reduce System, since computation are moved to data. NAS is not suitable for Map Reduce since data is stored separately from the computations.

    • HDFS runs on a cluster of machines and provides redundancy using replication protocol. Whereas NAS is provided by a single machine therefore does not provide data redundancy.
answer Jan 20, 2017 by Dhaval Vaghela
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