© Jun Xu 2018
Jun XuBlock Trace Analysis and Storage System Optimizationhttps://doi.org/10.1007/978-1-4842-3928-5_8

8. Case Study: Hadoop

Jun Xu1 
Singapore, Singapore

Hadoop is one of the most popular distributed big data platforms in the world. Besides computing power, its storage subsystem capability is also a key factor in its overall performance. In particular, there are many intermediate file exchanges for MapReduce. This chapter presents the block-level workload characteristics of a Hadoop cluster by considering some specific metrics. The analysis techniques presented can help you understand the performance and drive characteristics of Hadoop in production environments. In addition, this chapter also identifies whether SMR drives are suitable ...

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