John Allspaw

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
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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.

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