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Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
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Explain what combiners are and when you should use a combiner in a mapreduce job?
What is the need of MapReduce in Hadoop?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
What is the data storage component used by Hadoop?
What is the need of MapReduce?
What is the key- value pair in Hadoop MapReduce?
How do you stop a running job gracefully?
What are the configuration parameters in the 'MapReduce' program?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
With the help of two examples name the map and reduce function purpose
Mention what is the next step after mapper or maptask?
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- Apache HDFS Hadoop Distributed File System (214)
- Apache Kafka (189)
- Apache Avro (26)
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- Hadoop General (407)
