Hadoop has become a strategic data platform for by mainstream enterprises, adopted because it offers one of the fastest paths for businesses take to unlock value from big data while building on existing investments. Hadoop is a distributed framework based on Java that is designed to work with applications implemented using MapReduce modeling. This distributed framework enables the platform to pass the load to thousands of nodes across the whole Hadoop cluster. The nature of distributed frameworks also allows node failure without cluster failure. The Hadoop market is predicted to grow at a compound annual growth rate (CAGR) over the next several years. Several tools and guides describe how to deploy Hadoop clusters, but very little documentation tells how to increase performance of Hadoop clusters after they are deployed. This document provides several BIOS, OS, Hadoop, and Java tunings that can increase the performance of Hadoop clusters. These tunings are based on lessons learned from Transaction Processing Performance Council Express (TPCx) Benchmark HS (TPCx-HS) testing on a Cisco UCS® Integrated Infrastructure for Big Data cluster. TPCx-HS is the industry’s first standard for benchmarking big data systems. It was developed by TPC to provide verifiable performance, price-to-performance, and availability metrics for hardware and software systems that use big data.
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