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Effective Multi-tenant Distributed Systems

其他書名	Challenges and Solutions when Running Complex Environments
出版	O'Reilly Media, 2017
URL	http://books.google.com.hk/books?id=faTuuQEACAAJ&hl=&source=gbs_api

註釋Organizations are eager to capitalize on real-time data analysis, move beyond batch processing for time-critical insights, and excel at big data in a predictable, reliable way. But performance has been an issue for distributed systems like Hadoop, especially when the use cases of a single cluster become multi-tenant or multi-workload. The worst part? You may not even know you have a performance issue. In this report, Chad Carson and Sean Suchter from Pepperdata describe the performance challenges of running multi-tenant distributed computing environments, especially within a Hadoop context. After examining pros and cons of current solutions for these problems, you'll learn how to use real-time, intelligent software that tracks and dynamically adjusts each application's usage of physical hardware. Get ahead of your Hadoop operations for faster, better decision-making and faster, better business returns. With this report, you'll explore: How Hadoop and other multi-tenant distributed systems work, and why performance matters Business-visible symptoms of performance problems: late jobs, inconsistent runtimes, and underutilized hardware Scheduling challenges in multi-tenant systems Symptoms and solutions for CPU performance limitations Physical and virtual limits of node memory-and what happens when you run out Identifying and solving performance problems due to disk and network performance limits and other typical bottlenecks Solutions for monitoring performance and accurately allocating cluster costs among users and business units.