IO Cost Evaluation of OLAP Query Processing with MapReduce

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Google’s MapReduce has emerged as a popular framework for data-intensive computing. It is well-known by its elastic scalability and fine-grained fault tolerance. On the other hand, there are some debates in its efficiency. Especially, local and network I/Os can be a primary factor that degrades the performance of MapReduce, because it follows a data shipping paradigm where many partitioned data blocks move along distributed nodes. In this paper, we conduct a performance study to examine the I/O cost of MapReduce. Our results show that the I/O cost accounts for about 80% of the total processing cost when processing OLAP queries in the MapReduce platform.
Publisher
Springer
Issue Date
2015
Language
English
Citation

Lecture Notes in Electrical Engineering, v.330, pp.997 - 1002

ISSN
1876-1100
URI
http://hdl.handle.net/10203/195104
Appears in Collection
CS-Journal Papers(저널논문)
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