Why is hadoop faster?


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More Apache Hadoop Interview Questions

Rack awareness of Namenode?

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What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?

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What is oozie in hadoop?

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What are the two main components of ResourceManager?

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Does google use hadoop?

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What is the difference between SQL and NoSQL?

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What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?

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What is the difference between a Hadoop and Relational Database and Nosql?

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explain Metadata in Namenode?

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How to restart Namenode?

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Which files are used by the startup and shutdown commands?

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What is a speculative execution in Apache Hadoop MapReduce?

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