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Category: CCD-410

Exam CCD-410: Cloudera Certified Developer for Apache Hadoop

This is called:

The Hadoop framework provides a mechanism for coping with machine issues such as faulty
configuration or impending hardware failure. MapReduce detects that one or a number of
machines are performing poorly and starts more copies of a map or reduce task. All the tasks run
simultaneously and the task finish first are used. This is called:

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Which InputFormat should you use to complete the line: conf.setInputFormat (____.class) ; ?

Given a directory of files with the following structure: line number, tab character, string:
Example:
1abialkjfjkaoasdfjksdlkjhqweroij
2kadfjhuwqounahagtnbvaswslmnbfgy
3kjfteiomndscxeqalkzhtopedkfsikj
You want to send each line as one record to your Mapper. Which InputFormat should you use to
complete the line: conf.setInputFormat (____.class) ; ?


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