How to keep HDFS cluster balanced?


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More Apache Hadoop Interview Questions

What is the function of ApplicationMaster?

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Why do we use HDFS for applications having large data sets and not when there are lot of small files?

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Explain Erasure Coding in Apache Hadoop?

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What is Derby database?

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What alternate way does HDFS provides to recover data in case a Namenode

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What are the port numbers of namenode, job tracker and task tracker?

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What are the default configuration files that are used in hadoop?

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What is a speculative execution in Apache Hadoop MapReduce?

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Can we do online transactions(oltp) using hadoop?

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On What concept the Hadoop framework works?

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Which one is default InputFormat in Hadoop ?

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What are the functionalities of jobtracker?

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