How does NameNode tackle DataNode failures?


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More Apache Hadoop Interview Questions

Explain why do we need hadoop?

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how is a file of the size 1 GB uncompressed

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What is the difference between HDFS and NAS ?

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Can we call vms as pseudos?

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Explain the hadoop configuration files at present?

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What is a heartbeat in HDFS?

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Explain how is hadoop different from other data processing tools?

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What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?

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Did you ever ran into a lop sided job that resulted in out of memory error

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how would you modify that solution to only count the number of unique words in all the documents?

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What is output format in hadoop?

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What is HDFS High Availability?

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