What do you understand by compute and storage nodes?
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What is a TaskInstance?
Can we submit the mapreduce job from slave node?
Explain slot in Hadoop Map-Reduce v1?
what is a sequence file in Hadoop?
What combiners are and when you should use a combiner in a mapreduce job?
What is KeyValueTextInputFormat in Hadoop MapReduce?
how indexing in HDFS is done?
How to set the number of mappers to be created in MapReduce?
Mention what is the hadoop mapreduce apis contract for a key and value class?
In MapReduce, ideally how many mappers should be configured on a slave?
Is it mandatory to set input and output type/format in MapReduce?
what are the three modes in which Hadoop can be run?
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