Download Big Data Benchmarking: 5th International Workshop, WBDB by Tilmann Rabl, Kai Sachs, Meikel Poess, Chaitanya Baru, PDF

By Tilmann Rabl, Kai Sachs, Meikel Poess, Chaitanya Baru, Hans-Arno Jacobson

This e-book constitutes the completely refereed post-workshop court cases of the fifth overseas Workshop on large facts Benchmarking, WBDB 2014, held in Potsdam, Germany, in August 2014.

The thirteen papers offered during this publication have been conscientiously reviewed and chosen from a variety of submissions and canopy subject matters resembling benchmarks necessities and suggestions, Hadoop and MapReduce - within the diverse context comparable to virtualization and cloud - in addition to in-memory, information iteration, and graphs.

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Read or Download Big Data Benchmarking: 5th International Workshop, WBDB 2014, Potsdam, Germany, August 5-6- 2014, Revised Selected Papers PDF

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Extra info for Big Data Benchmarking: 5th International Workshop, WBDB 2014, Potsdam, Germany, August 5-6- 2014, Revised Selected Papers

Example text

This simulates the business requirement to achieve both good performance and low costs. The proposed benchmark targets a multitude of different systems, from classical RDBMSs to MapReduce-based systems such as Apache Hive. Contestants c Springer International Publishing Switzerland 2015 T. Rabl et al. ): WBDB 2014, LNCS 8991, pp. 37–44, 2015. 1007/978-3-319-20233-4 5 38 D. Vorona et al. Fig. 1. Business Scenario: Grow cluster as workload grows to ensure performance. Shrink cluster when possible to save costs.

2 Related Work A number of benchmark proposals aim to compare RDBMSs and NoSQL data stores with specific focus on scalability on modern distributed architectures. The Yahoo Cloud Serving Benchmark (YCSB) [6] is widely regarded as the leading benchmark in this area. While the YCSB describes a simple transactional workload rather than an analytical one, it specifies metrics applicable to a wide range of benchmarks for distributed systems. The authors of [11] present a general framework to evaluate the costs of sub-optimal elasticity using predefined demand curves.

3. Measurement-to-reference-time quotients for growth phases. The results have confirmed our intuition about the elasticity behavior of the tested system. The quotients of the query times of measurement and reference parts are presented in the Fig. 3. The performance of the newly added clients is poor at the beginning and subsequently stabilizes in the course of the execution. Additionally, the elastic overhead is extended by the start-up time of the workers, as well as initial connection times of the new clients.

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