Write a short note on the disadvantages of mapreduce
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Mention what is the hadoop mapreduce apis contract for a key and value class?
Is there any point of learning mapreduce, then?
When is it not recommended to use MapReduce paradigm for large
Developing a MapReduce Application?
How to configure the number of the Combiner in MapReduce?
Explain InputSplit in Hadoop MapReduce?
Explain slot in Hadoop Map-Reduce v1?
Map reduce jobs take too long. What can be done to improve the performance of the cluster?
Explain what is “map” and what is "reducer" in hadoop?
What are the main components of MapReduce Job?
What is the need of MapReduce in Hadoop?
What is heartbeat in hdfs?
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