How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?


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More Apache Hadoop Interview Questions

Can we do online transactions(oltp) using hadoop?

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What does ‘jps’ command do?

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Can Hadoop be compared to NOSQL database like Cassandra?

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What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?

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Is it necessary to know java to learn hadoop?

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Can NameNode and DataNode be a commodity hardware?

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What is Input Split in hadoop?

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What is output format in hadoop?

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Explain the wordcount implementation via hadoop framework ?

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What are the limitations of importing RDBMS tables into Hcatalog directly?

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Who is a 'user' in HDFS?

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What are the characteristics of hadoop framework?

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