What is crontab? Explain with suitable example?


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More Apache Hadoop Interview Questions

What is Hadoop serialization?

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How indexing is done in HDFS?

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Virtual Box & Ubuntu Installation?

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Where is the Mapper Output stored?

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What is the use of combiners in the hadoop framework?

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If a data Node is full how it's identified?

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what is the default replication factor in HDFS?

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What is the difference between rdbms and hadoop?

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Can hive run without hadoop?

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What is Rack Awareness in Apache Hadoop?

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Whats is distributed cache in hadoop?

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Mention what are the data components used by Hadoop?

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