What can be optimum value for Reducer?
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How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
Compare Pig vs Hive vs Hadoop MapReduce?
What is Data Locality in Hadoop?
Can MapReduce program be written in any language other than Java?
In Map Reduce why map write output to Local Disk instead of HDFS?
How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?
What is the need of MapReduce in Hadoop?
What do you mean by inputformat?
Where the mapper's intermediate data will be stored?
Define speculative execution?
How to optimize MapReduce Job?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
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