By Frédéric Magoulès, Jie Pan, Fei Teng
As an increasing number of info is generated at a faster-than-ever cost, processing huge volumes of information is changing into a problem for information research software program. Addressing functionality matters, Cloud Computing: Data-Intensive Computing and Scheduling explores the evolution of classical ideas and describes thoroughly new equipment and cutting edge algorithms. The ebook delineates many options, types, equipment, algorithms, and software program utilized in cloud computing.
After a basic creation to the sector, the textual content covers source administration, together with scheduling algorithms for real-time initiatives and useful algorithms for consumer bidding and auctioneer pricing. It subsequent explains ways to info analytical question processing, together with pre-computing, information indexing, and knowledge partitioning. functions of MapReduce, a brand new parallel programming version, are then offered. The authors additionally talk about the right way to optimize a number of group-by question processing and introduce a MapReduce real-time scheduling algorithm.
A precious reference for learning and utilizing MapReduce and cloud computing structures, this booklet provides a variety of applied sciences that reveal how cloud computing can meet company specifications and function the infrastructure of multidimensional info research purposes.
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Extra resources for Cloud Computing: Data-Intensive Computing and Scheduling
Sample text
Genetic Algorithm (GA). , 2001]. The Àrst step is randomly initializing a population of chromosomes (possible scheduling) for a given task. Each chromosome has a Àtness value (makespan) that results from the scheduling of tasks to machines within that chromosome.
As mentioned in the previous section, the optimal matching is an optimization problem, generally with NP-complete complexity. Heuristics are often applied as a sub-optimal algorithm to obtain relatively good solutions. This section intensively researches two types of strategies, static and dynamic heuristics. A static heuristic is suitable for the situation where the complete set of tasks is known prior to execution, while a dynamic heuristic performs the scheduling when a task arrives. Before further explanation, several preliminary terms should be deÀned.
1 Getting ready for the cloud Datacenter. Even faster than Moore’s law, the number of servers and datacenters has increased dramatically over the past few years. Datacenter has turned out to become the reincarnation of the mainframe concept. It is easier to build a largescale commodity-computer datacenter than ever before, just gathering these building blocks together on a parking lot and connecting them to the Internet. Internet. Recently, network performance has been improving rapidly. Wired, wireless and 4th generation mobile communication make Internet available to most of the planet.