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


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More Apache Hadoop Interview Questions

Explain the core components of hadoop?

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What is formatting of the dfs?

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How can we change the split size if our commodity hardware has less storage space?

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What is HDFS Block size? How is it different from traditional file system block size?

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Explain the wordcount implementation via hadoop framework ?

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What are the different methods to run Spark over Apache Hadoop?

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How does a namenode handle the failure of the data nodes?

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What's the best way to copy files between HDFS clusters?

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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 partioner in hadoop? Where does it run,mapper or reducer?

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How many instances of a jobtracker run on hadoop cluster?

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Define a namenode?

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