How to enable/configure the compression of map output data in hadoop?


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More Apache Hadoop Interview Questions

What is HDFS ? How it is different from traditional file systems?

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What are the core components of Apache Hadoop?

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Explain the overview of hadoop history breifly?

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Where is the Mapper Output intermediate kay-value data stored ?

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Explain the wordcount implementation via hadoop framework ?

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What is a Task instance in Hadoop? Where does it run?1

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What is the best hardware configuration to run Hadoop?

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Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?

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How will you make changes to the default configuration files?

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What is a block and block scanner in HDFS?

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Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

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What are the important differences between apache and hadoop?

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