CouchDB: The Definitive Guide

(häftad)

av J Chris Anderson, Jan Lehnardt, Noah Slater

Format:: Häftad (paperback)
Utgiven:: 2010-02-18
Språk:: Engelska

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Three of CouchDB's creators show you how to use this document-oriented database as a standalone application framework or with high-volume, distributed applications. With its simple model for storing, processing, and accessing data, CouchDB is ideal for web applications that handle huge amounts of loosely structured data. That alone would stretch the limits of a relational database, yet CouchDB offers an open source solution that's reliable, scales easily, and responds quickly.

CouchDB works with self-contained data that has loose or ad-hoc connections. It's a model that fits many real-world items, such as contacts, invoices, and receipts, but you'll discover that this database can easily handle data of any kind. With this book, you'll learn how to work with CouchDB through its RESTful web interface, and become familiar with key features such as simple document CRUD (create, read, update, delete), advanced MapReduce, deployment tuning, and more.

Understand the basics of document-oriented storage and manipulation
Interact with CouchDB entirely though HTTP using its RESTful interface
Model data as self-contained JSON documents
Handle evolving data schemas naturally
Query and aggregate data in CouchDB using MapReduce views
Replicate data between nodes
Tune CouchDB for increased performance and reliability

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Övrig information

J. Chris Anderson is co-founder of Grabb.it, a Portland-based web startup which provides Web scale analytics for the music industry. He specializes in web search and large scale CouchDB deployment, both for Grabb.it and as an independent consultant. Jan Lehnardt is CouchDB's chief evangelist and a CouchDB consultant for major industry players. Jan's has spoken about CouchDB at conferences such as O'Reilly's OSCON and Erlang eXchange, as well as groups like the BBC's web development team. Noah Slater is a Web Technologist with a background in ecommerce, a passion for hypertext, and an obsession with sthetics. He's written for O'Reilly Media and developed software for the GNU Project, the Apache Software Foundation, and Debian. Away from computers, he has a fascination with music, film, and photography.

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Innehållsförteckning

Dedication; Foreword; Preface; Using Code Examples; Conventions Used in This Book; Safari Books Online; How to Contact Us; Acknowledgments; Introduction; Chapter 1: Why CouchDB?; 1.1 Relax; 1.2 A Different Way to Model Your Data; 1.3 A Better Fit for Common Applications; 1.4 Building Blocks for Larger Systems; 1.5 Local Data Is King; 1.6 Wrapping Up; Chapter 2: Eventual Consistency; 2.1 Working with the Grain; 2.2 The CAP Theorem; 2.3 Local Consistency; 2.4 Distributed Consistency; 2.5 Wrapping Up; Chapter 3: Getting Started; 3.1 All Systems Are Go!; 3.2 Welcome to Futon; 3.3 Your First Database and Document; 3.4 Running a Query Using MapReduce; 3.5 Triggering Replication; 3.6 Wrapping Up; Chapter 4: The Core API; 4.1 Server; 4.2 Databases; 4.3 Documents; 4.4 Replication; 4.5 Wrapping Up; Developing with CouchDB; Chapter 5: Design Documents; 5.1 Document Modeling; 5.2 The Query Server; 5.3 Applications Are Documents; 5.4 A Basic Design Document; 5.5 Looking to the Future; Chapter 6: Finding Your Data with Views; 6.1 What Is a View?; 6.2 Efficient Lookups; 6.3 The View to Get Comments for Posts; 6.4 Reduce/Rereduce; 6.5 Wrapping Up; Chapter 7: Validation Functions; 7.1 Document Validation Functions; 7.2 Validations Context; 7.3 Writing One; 7.4 Wrapping Up; Chapter 8: Show Functions; 8.1 The Show Function API; 8.2 Side EffectFree; 8.3 Design Documents; 8.4 Querying Show Functions; 8.5 Etags; 8.6 Functions and Templates; 8.7 Learning Shows; 8.8 Using Templates; 8.9 Writing Templates; Chapter 9: Transforming Views with List Functions; 9.1 Arguments to the List Function; 9.2 An Example List Function; 9.3 List Theory; 9.4 Querying Lists; 9.5 Lists, Etags, and Caching; Example Application; Chapter 10: Standalone Applications; 10.1 Use the Correct Version; 10.2 Portable JavaScript; 10.3 Applications Are Documents; 10.4 Standalone; 10.5 In the Wild; 10.6 Wrapping Up; Chapter 11: Managing Design Documents; 11.1 Working with the Example Application; 11.2 Installing CouchApp; 11.3 Using CouchApp; 11.4 Download the Sofa Source Code; 11.5 Deploying Sofa; 11.6 Set Up Your Admin Account; 11.7 Configuring CouchApp with .couchapprc; Chapter 12: Storing Documents; 12.1 JSON Document Format; 12.2 Beyond _id and _rev: Your Document Data; 12.3 The Edit Page; 12.4 Saving a Document; 12.5 Wrapping Up; Chapter 13: Showing Documents in Custom Formats; 13.1 Rendering Documents with Show Functions; 13.2 Dynamic Dates; Chapter 14: Viewing Lists of Blog Posts; 14.1 Map of Recent Blog Posts; 14.2 Rendering the View as HTML Using a List Function; Deploying CouchDB; Chapter 15: Scaling Basics; 15.1 Scaling Read Requests; 15.2 Scaling Write ...

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