What do sorting do?
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How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
What is the jobtracker?
What is inputformat in hadoop?
What if a namenode has no data?
What is Hadoop streaming?
What are the default configuration files that are used in hadoop?
What is Apache Hadoop YARN?
What is HDFS Federation?
What is the difference between Apache Hadoop and RDBMS?
what factors the block size takes before creation?
What is the difference between SQL and NoSQL?
what is difference between int and intwritable?
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