How much space will the split occupy in Mapreduce?
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how indexing in HDFS is done?
What platform and Java version is required to run Hadoop?
List the network requirements for using Hadoop ?
What is KeyValueTextInputFormat in Hadoop MapReduce?
What is the role of recordreader in hadoop mapreduce?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
what is distributed cache in mapreduce framework?
Write a short note on the disadvantages of mapreduce
Explain the Reducer's Sort phase?
How many Mappers run for a MapReduce job in Hadoop?
What combiners is and when you should use a combiner in a MapReduce Job?
What are combiners? When should I use a combiner in my MapReduce Job?
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