How to change a number of mappers running on a slave in MapReduce?
Explain the process of spilling in Hadoop MapReduce?
Mention when to use Map reduce mode?
what is WebDAV in Hadoop?
Is it possible to search for files using wildcards?
what does the text input format do?
In MapReduce how to change the name of the output file from part-r-00000?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
What happens if the quantity of the reducer is 0 in mapreduce?
How many Mappers run for a MapReduce job in Hadoop?
What are combiners? When should I use a combiner in my MapReduce Job?
List out Hadoop's three configuration files?
In MapReduce, ideally how many mappers should be configured on a slave?