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What is rack-aware replica placement policy?


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More Apache Hadoop Interview Questions

What are different types of filesystem?

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What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?

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What is the jobtracker and what it performs in a hadoop cluster?

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What are the two main parts of the hadoop framework?

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How can one increase replication factor to a desired value in Hadoop?

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What infrastructure do we need to process 100 TB data using Hadoop?

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What is the relation between job and task in hadoop?

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what are Task Tracker and Job Tracker?

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What if rack 2 and datanode fails?

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What is a block and block scanner in HDFS?

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shouldn't DFS be able to handle large volumes of data already?

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What is a checkpoint?

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