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Developing a MapReduce Application?
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How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
What is Output Format in MapReduce?
Why do we need MapReduce during Pig programming?
Explain what is “map” and what is "reducer" in hadoop?
what happens in textinformat ?
What main configuration parameters are specified in mapreduce?
how can you check whether Namenode is working beside using the jps command?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What is a partitioner and how the user can control which key will go to which reducer?
Explain JobConf in MapReduce.
What is difference between an input split and hdfs block?
How to compress mapper output in Hadoop?
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