Q. Why is MapReduce not perfectly suited for all graph problems?

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Q. How can MapReduce be used to work around the limitations in processing large graphs?

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Q. What is PageRank, and how is it typically implemented in a MapReduce application?

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Q. Which company originally designed and implemented the Google MapReduce framework?

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Q. How did Google's MapReduce implementation evolve in terms of job numbers, job completion times, and output data size?

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Q. Which company originally developed Hadoop?

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Q. What is the primary programming language used for writing MapReduce programs in Hadoop?

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Q. What is one advantage of Skynet's architecture compared to other MapReduce implementations?

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Q. What is Dryad's approach to executing data parallel applications?

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Q. What programming language is the current implementation of Dryad written in?

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Q. Which subproject of Hadoop provides the common utilities and interfaces supporting other Hadoop subprojects?

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Q. What does HBase provide, and what is it built on top of?

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Q. Which of the following companies was one of the early adopters of Hadoop, using it to generate their search index?

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Q. What is the primary language used for writing MapReduce programs in Disco?

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Q. How does Skynet handle worker node failures in its MapReduce implementation?

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Q. What is the key advantage of Hadoop's distributed file system, HDFS?

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Q. What is the primary purpose of the HBase database?

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Q. What is the role of the master node in a Hadoop MapReduce cluster?

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Q. In a MapReduce job, what is the unit of work that users submit to the jobtracker?

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Q. How does the jobtracker divide input data in a Hadoop MapReduce cluster?

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