How to keep HDFS cluster balanced?


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More Apache Hadoop Interview Questions

What problems have you faced when you are working on Hadoop code?

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What does /etc /init.d do?

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What is the use of combiners in the hadoop framework?

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What is a heartbeat in HDFS?

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Is it possible to provide multiple inputs to hadoop? If yes, explain.

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what factors the block size takes before creation?

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What is the default replication factor?

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What is the communication channel between client and namenode/datanode?

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How does master slave architecture in the hadoop?

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Can the balancer be run while Hadoop is in use?

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What happens in a textinputformat?

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Define a combiner?

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