How many instances of a jobtracker run on hadoop cluster?


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More Apache Hadoop Interview Questions

How to write a Custom Key Class?

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What do you know about sequencefileinputformat?

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What is 'Key value pair' in HDFS?

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What is Apache Hadoop?

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How the Client communicates with HDFS?

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What is structured data?

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what is the default replication factor in HDFS?

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Explain the overview of hadoop history breifly?

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Can hbase run without hadoop?

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What if a namenode has no data?

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What is a speculative execution in Apache Hadoop MapReduce?

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Define a datanode?

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