What is the functionality of jobtracker in hadoop?


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More Apache Hadoop Interview Questions

Explain InputFormat?

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Explain how do ‘map’ and ‘reduce’ works?

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What is the difference between traditional RDBMS and Hadoop?

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What is version-id mismatch error in hadoop?

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How many maximum jvm can run on a slave node?

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What is zookeeper in hadoop?

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What is the difference between Apache Hadoop and RDBMS?

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what is the typical block size of an HDFS block?

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

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What hadoop does in safe mode?

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What is HDFS High Availability?

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Is hadoop a database?

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