What is Combiner in MapReduce?
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What is heartbeat in hdfs? Explain.
How do ‘map’ and ‘reduce’ work?
Explain the Reducer's Sort phase?
What is streaming?
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
What is a "map" in Hadoop?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
What MapReduce framework consists of?
Is there any point of learning mapreduce, then?
What is the difference between HDFS block and input split?
Explain about the partitioning, shuffle and sort phase in MapReduce?
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