How to mapreduce task on hadoop FS?
Mapreduce task counting sales per goods category.
More variation of the same mapreduce: highest individual sale per store.
Total sales cout and value overall.
Parsing browser access log: how may hits were made for each file.
Data for 4th mapreduce task.
Hits per ip.
Mapreduce task to find most popular file of access_log.
Full data for tasks.
Full data for mapreduce tasks.
Mapreduce tasks for counting forum words mention.
Standart deviation of spends and week days.
Mapreduce task joining several tables.