Free HDPCD Exam Questions - Hortonworks HDPCD Exam
Hortonworks Data Platform Certified Developer
Total Questions: 108Hortonworks HDPCD Exam - Prepare from Latest, Not Redundant Questions!
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Hortonworks HDPCD Questions
In a large MapReduce job with m mappers and n reducers, how many distinct copy operations will there be in the sort/shuffle phase?
MapReduce v2 (MRv2/YARN) splits which major functions of the JobTracker into separate daemons? Select two.
In a MapReduce job with 500 map tasks, how many map task attempts will there be?
A combiner reduces:
You write MapReduce job to process 100 files in HDFS. Your MapReduce algorithm uses TextInputFormat: the mapper applies a regular expression over input values and emits key-values pairs with the key consisting of the matching text, and the value containing the filename and byte offset. Determine the difference between setting the number of reduces to one and settings the number of reducers to zero.
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