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Five Pitfalls for Benchmarking Big Data Systems
Yanpei Chen and Gwen Shapira, Cloudera, Inc.
Performance is an increasingly important attribute of Big Data systems as focus shifts from batch processing to real-time analysis and to consolidated multi-tenant systems. One of the little-understood challenges in scaling data systems is properly defining and measuring performance. The complexity, diversity, and scale of big data systems make this a difficult task and we frequently encounter haphazard benchmarks that lead to bad technology choices, poor purchasing decisions, and suboptimal cluster operations. This talk draws on performance engineering and field services experience from a leading Big Data vendor. We will talk about the most common performance benchmarking pitfalls and share practical advice on how to avoid them with rigorous metrics and measurement methods.
Yanpei Chen is a member of the Performance Engineering Team at Cloudera, where he works on internal and competitive performance measurement and optimization. His work touches upon multiple interconnected computation frameworks, including Cloudera Search, Cloudera Impala, Apache Hadoop, Apache HBase, and Apache Hive. He is the lead author of the Statistical Workload Injector for MapReduce (SWIM), an open source tool that allows someone to synthesize and replay MapReduce production workloads. SWIM has become a standard MapReduce performance measurement tool used to certify many Cloudera partners. He received his doctorate at the UC Berkeley AMP Lab, where he worked on performance-driven, large-scale system design and evaluation.
Gwen Shapira is a Solutions Architect at Cloudera. She has 15 years of experience working with customers to design scalable data architectures. Working as a data warehouse DBA, ETL developer and a senior consultant. She specializes in migrating data warehouses to Hadoop, integrating Hadoop with relational databases, building scalable data processing pipelines, and scaling complex data analysis algorithms.
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