Define a job tracker?


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More Apache Hadoop Interview Questions

How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?

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What is a Combiner?

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What is Partioner in hadoop? Where does it run

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What are the hadoop's three configuration files?

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What is the Use of SSH in Hadoop ?

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How can one increase replication factor to a desired value in Hadoop?

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Why password is needed in ssh localhost?

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What is the purpose of dfsadmin tool?

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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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What is the problem with small files in Apache Hadoop?

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Which are the two types of 'writes' in HDFS?

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How hdfa differs with nfs?

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