How to debug Hadoop code?


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More Hadoop General Interview Questions

What are the features of Pseudo mode?

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What is Erasure Coding in Hadoop?

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What are the four basic parameters of a mapper?

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How does hadoop achieve fault tolerance?

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How many maps are there in a particular job?

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In which directory hadoop is installed?

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Why slaves limited to 4000 in hadoop version 1?

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If datanodes increase, then do we need to upgrade namenode?

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Explain the common input formats in hadoop?

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Can we deploye job tracker other than name node?

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Define data cleansing?

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Can you explain textinformat?

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