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Author: John Allspaw Publisher: "O'Reilly Media, Inc." ISBN: 0596551835 Category : Computers Languages : en Pages : 156
Book Description
Success on the web is measured by usage and growth. Web-based companies live or die by the ability to scale their infrastructure to accommodate increasing demand. This book is a hands-on and practical guide to planning for such growth, with many techniques and considerations to help you plan, deploy, and manage web application infrastructure. The Art of Capacity Planning is written by the manager of data operations for the world-famous photo-sharing site Flickr.com, now owned by Yahoo! John Allspaw combines personal anecdotes from many phases of Flickr's growth with insights from his colleagues in many other industries to give you solid guidelines for measuring your growth, predicting trends, and making cost-effective preparations. Topics include: Evaluating tools for measurement and deployment Capacity analysis and prediction for storage, database, and application servers Designing architectures to easily add and measure capacity Handling sudden spikes Predicting exponential and explosive growth How cloud services such as EC2 can fit into a capacity strategy In this book, Allspaw draws on years of valuable experience, starting from the days when Flickr was relatively small and had to deal with the typical growth pains and cost/performance trade-offs of a typical company with a Web presence. The advice he offers in The Art of Capacity Planning will not only help you prepare for explosive growth, it will save you tons of grief.
Author: John Allspaw Publisher: "O'Reilly Media, Inc." ISBN: 0596551835 Category : Computers Languages : en Pages : 156
Book Description
Success on the web is measured by usage and growth. Web-based companies live or die by the ability to scale their infrastructure to accommodate increasing demand. This book is a hands-on and practical guide to planning for such growth, with many techniques and considerations to help you plan, deploy, and manage web application infrastructure. The Art of Capacity Planning is written by the manager of data operations for the world-famous photo-sharing site Flickr.com, now owned by Yahoo! John Allspaw combines personal anecdotes from many phases of Flickr's growth with insights from his colleagues in many other industries to give you solid guidelines for measuring your growth, predicting trends, and making cost-effective preparations. Topics include: Evaluating tools for measurement and deployment Capacity analysis and prediction for storage, database, and application servers Designing architectures to easily add and measure capacity Handling sudden spikes Predicting exponential and explosive growth How cloud services such as EC2 can fit into a capacity strategy In this book, Allspaw draws on years of valuable experience, starting from the days when Flickr was relatively small and had to deal with the typical growth pains and cost/performance trade-offs of a typical company with a Web presence. The advice he offers in The Art of Capacity Planning will not only help you prepare for explosive growth, it will save you tons of grief.
Author: Daniel A. Menascé Publisher: Prentice Hall Professional ISBN: 9780130906731 Category : Computers Languages : en Pages : 484
Book Description
Practical, real-world solutions are given to potential problems covering the entire system life cycle. This book describes how to map real-life systems (databases, data centers, and e-commerce applications) into analytic performance models. The authors elaborate upon these models and use them to help the reader better understand performance issues.
Author: Daniel A. Menascé Publisher: Prentice Hall ISBN: Category : Computers Languages : en Pages : 614
Book Description
MenascT (computer science, George Mason U.) and Almeida (computer science, U. of Minas Gerais, Brazil) provide a quantitative analysis of Web service availability and a framework for understanding and planning Web services. They discuss benchmarking, load testing, workload forecasting, and performan
Author: Arun Kejariwal Publisher: "O'Reilly Media, Inc." ISBN: 1491951516 Category : Computers Languages : en Pages : 236
Book Description
In their early days, Twitter, Flickr, Etsy, and many other companies experienced sudden spikes in activity that took their web services down in minutes. Today, determining how much capacity you need for handling traffic surges is still a common frustration of operations engineers and software developers. This hands-on guide provides the knowledge and tools you need to measure, deploy, and manage your web application infrastructure before you experience explosive growth. In this thoroughly updated edition, authors Arun Kejariwal (MZ) and John Allspaw provide a systematic, robust, and practical approach to capacity planning—rather than theoretical models—based on their own experiences and those of many colleagues in the industry. They address the vast sea change in web operations, especially cloud computing. Understand issues that arise on heavily trafficked websites or mobile apps Explore how capacity fits into web/mobile app availability and performance Use tools for measuring and monitoring computer performance and usage Turn measurement data into robust forecasts and learn how trending fits into the planning process Examine related deployment concepts: installation, configuration, and management automation Learn how cloud autoscaling enables you to scale your app’s capacity up or down
Author: Klaus Altendorfer Publisher: Springer Science & Business Media ISBN: 3319008439 Category : Business & Economics Languages : en Pages : 150
Book Description
The book presents different models for the simultaneous optimization problem of capacity investment and work release rule parameterization. The overall costs are minimized either including backorder costs or considering a service level constraint. The available literature is extended with the integration of a distributed customer required lead time in addition to the actual demand distribution. Furthermore, an endogenous production lead time is introduced. Different models for make-to-order production systems with one or multiple serial processing stages are developed. Capacity investment is linked to the processing rates of the machines or to the number of the machines. Results are equations for service level, tardiness, and FGI lead time in such a production system. For special cases with M/M/1 and M/M/s queues explicit solutions of the optimization problems or optimality conditions concerning capacity investment and work release rule parameterization are provided.
Author: John Allspaw Publisher: "O'Reilly Media, Inc." ISBN: 1449394159 Category : Computers Languages : en Pages : 340
Book Description
A web application involves many specialists, but it takes people in web ops to ensure that everything works together throughout an application's lifetime. It's the expertise you need when your start-up gets an unexpected spike in web traffic, or when a new feature causes your mature application to fail. In this collection of essays and interviews, web veterans such as Theo Schlossnagle, Baron Schwartz, and Alistair Croll offer insights into this evolving field. You'll learn stories from the trenches--from builders of some of the biggest sites on the Web--on what's necessary to help a site thrive. Learn the skills needed in web operations, and why they're gained through experience rather than schooling Understand why it's important to gather metrics from both your application and infrastructure Consider common approaches to database architectures and the pitfalls that come with increasing scale Learn how to handle the human side of outages and degradations Find out how one company avoided disaster after a huge traffic deluge Discover what went wrong after a problem occurs, and how to prevent it from happening again Contributors include: John Allspaw Heather Champ Michael Christian Richard Cook Alistair Croll Patrick Debois Eric Florenzano Paul Hammond Justin Huff Adam Jacob Jacob Loomis Matt Massie Brian Moon Anoop Nagwani Sean Power Eric Ries Theo Schlossnagle Baron Schwartz Andrew Shafer
Author: Jerry Manas Publisher: McGraw Hill Professional ISBN: 0071836195 Category : Business & Economics Languages : en Pages : 256
Book Description
THE DEFINITIVE GUIDE TO MAXIMIZING LIMITED RESOURCES TO INNOVATE AND GROW Trying to accomplish too much with too few resources has become almost customary in business today. More often than not, though, all that we "accomplish" is delayed projects, mass confusion, and missed opportunities--not the achievement of business goals. The Resource Management and Capacity Planning Handbook helps you tackle the critical challenges of resource management and capacity planning head on by providing a proven tool for making the leap from chaos to control: the Capacity Quadrant, a framework for addressing visibility, prioritization, optimization of existing resources, and integrated planning and governance. The Resource Management and Capacity Planning Handbook demystifies the complexities of resource capacity and demand management and offers clear ways for maximizing your limited resources to drive business growth and sustainability. This groundbreaking guide includes: The latest benchmark data from a comprehensive study of resource management Case studies from organizations that have used the book's methods with great success Tools for overcoming common barriers and making decisions involving time capture, resource assignments, and competing priorities Recommendations on ownership of the organization's resource management and capacity planning functions Considerations for addressing the human side of resource management and capacity planning The Resource Management and Capacity Planning Handbook gives you the information, insight, and proven methods to take your company where it has never been before. PRAISE FOR THE RESOURCE MANAGEMENT AND CAPACITY PLANNING HANDBOOK "There are lots of leadership books, scores of human resources books, and plenty of project and portfolio management books. This is the first book dedicated to what is essentially the drivetrain of organizations--the effective use of its people toward its most important activities. This is Manas's best and most ambitious book yet." -- Judith E. Glaser, CEO, Benchmark Communications, Inc.; Chairman of The Creating WE Institute; and author of the bestselling Conversational Intelligence "Jerry's book and the Capacity Quadrant model he outlines give you a realistic view of your workforce and an approach to maximizing the 'people power' in your organization that's easy to understand and apply. It could very well help transform your company and make you a hero in the process!" -- Dave Garrett, President and CEO, ProjectManagement.com "Unlike lifeless products, people skills and capacity are difficult to measure and vary widely between 'good' days and 'bad' days. Manas steps nimbly through this minefield with solid evidence and practical advice--all laced together in an easy-to-read style." -- R. Max Wideman FCSCE, FEIC, FICE, FPMI "It didn't take me too long into reading when I realized how much we really needed this book. I wish we had it when we started implementing Resource Capacity Planning and Investment Planning. I will make sure all of my staff members have copies." -- Gary Merrifield, PMP, Manager, IT Project Delivery and Quality Assurance, Blue Cross Blue Shield of Louisiana "A great guide to the most important topic in management: how to maximize your limited people resources." -- Hans Heuschkel, Senior Business Intelligence Analyst/Project Manager, Swiss insurance company
Author: Martin L. Abbott Publisher: Addison-Wesley Professional ISBN: 0134031385 Category : Computers Languages : en Pages : 1148
Book Description
The Comprehensive, Proven Approach to IT Scalability–Updated with New Strategies, Technologies, and Case Studies In The Art of Scalability, Second Edition, leading scalability consultants Martin L. Abbott and Michael T. Fisher cover everything you need to know to smoothly scale products and services for any requirement. This extensively revised edition reflects new technologies, strategies, and lessons, as well as new case studies from the authors’ pioneering consulting practice, AKF Partners. Writing for technical and nontechnical decision-makers, Abbott and Fisher cover everything that impacts scalability, including architecture, process, people, organization, and technology. Their insights and recommendations reflect more than thirty years of experience at companies ranging from eBay to Visa, and Salesforce.com to Apple. You’ll find updated strategies for structuring organizations to maximize agility and scalability, as well as new insights into the cloud (IaaS/PaaS) transition, NoSQL, DevOps, business metrics, and more. Using this guide’s tools and advice, you can systematically clear away obstacles to scalability–and achieve unprecedented IT and business performance. Coverage includes • Why scalability problems start with organizations and people, not technology, and what to do about it • Actionable lessons from real successes and failures • Staffing, structuring, and leading the agile, scalable organization • Scaling processes for hyper-growth environments • Architecting scalability: proprietary models for clarifying needs and making choices–including 15 key success principles • Emerging technologies and challenges: data cost, datacenter planning, cloud evolution, and customer-aligned monitoring • Measuring availability, capacity, load, and performance
Author: Navin Sabharwal Publisher: Apress ISBN: 1430249242 Category : Computers Languages : en Pages : 175
Book Description
Cloud Capacity Management helps readers in understanding what the cloud, IaaS, PaaS, SaaS are, how they relate to capacity planning and management and which stakeholders are involved in delivering value in the cloud value chain. It explains the role of capacity management for a creator, aggregator, and consumer of cloud services and how to provision for it in a 'pay as you use model'. This involves a high level of abstraction and virtualization to facilitate rapid and on demand provisioning of services. The conventional IT service models take a traditional approach when planning for service capacity to provide optimum services levels which has huge cost implications for service providers. This book addresses the gap areas between traditional capacity management practices and cloud service models. It also showcases capacity management process design and implementation in a cloud computing domain using ITSM best practices. This book is a blend of ITSM best practices and infrastructure capacity planning and optimization implementation in various cloud scenarios. Cloud Capacity Management addresses the basics of cloud computing, its various models, and their impact on capacity planning. This book also highlights the infrastructure capacity management implementation process in a cloud environment showcasing inherent capabilities of tool sets available and the various techniques for capacity planning and performance management. Techniques like dynamic resource scheduling, scaling, load balancing, and clustering etc are explained for implementing capacity management.
Author: Randolph Hall Publisher: Springer Science & Business Media ISBN: 1461417341 Category : Business & Economics Languages : en Pages : 336
Book Description
This edited volume captures and communicates the best thinking on how to improve healthcare by improving the delivery of services -- providing care when and where it is needed most -- through application of state-of-the-art scheduling systems. Over 12 chapters, the authors cover aspects of setting appointments, allocating healthcare resources, and planning to ensure that capacity matches needs for care. A central theme of the book is increasing healthcare efficiency so that both the cost of care is reduced and more patients have access to care. This can be accomplished through reduction of idle time, lessening the time needed to provide services and matching resources to the needs where they can have the greatest possible impact on health. Within their chapters, authors address: (1) Use of scheduling to improve healthcare efficiency. (2) Objectives, constraints and mathematical formulations. (3) Key methods and techniques for creating schedules. (4) Recent developments that improve the available problem solving methods. (5) Actual applications, demonstrating how the methods can be used. (6) Future directions in which the field of research is heading. Collectively, the chapters provide a comprehensive state-of-the-art review of models and methods for scheduling the delivery of patient care for all parts of the healthcare system. Chapter topics include setting appointments for ambulatory care and outpatient procedures, surgical scheduling, nurse scheduling, bed management and allocation, medical supply logistics and routing and scheduling for home healthcare.
Author: John Allspaw
Author: John Allspaw
Author: Daniel A. Menascé
Author: Daniel A. Menascé
Author: Arun Kejariwal
Author: Klaus Altendorfer
Author: John Allspaw
Author: Jerry Manas
Author: Martin L. Abbott
Author: Navin Sabharwal
Author: Randolph Hall