effective akka

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Effective Akka

Author : Jamie Allen
ISBN : 9781449360054
Genre : COMPUTERS
File Size : 73. 70 MB
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Avoid common mistakes when building distributed, asynchronous, high-performance software with the Akka toolkit and runtime. With this concise guide, author Jamie Allen provides a collection of best practices based on several years of using the actor model. The book also includes examples of actor application types and two primary patterns of actor usage, the Extra Pattern and Cameo Pattern. Allen, the Director of Consulting for Typesafe—creator of Akka and the Scala programming language—examines actors with a banking-service use case throughout the book, using examples shown in Akka and Scala. If you have any experience with Akka, this guide is essential. Delve into domain-driven and work-distribution actor applications Understand why it’s important to have actors do only one job Avoid thread blocking by allowing logic to be delegated to a Future Model interactions as simply as possible to avoid premature optimization Create well-defined interactions, and know exactly what failures can occur Learn why you should never treat actors as you would an ordinary class Keep track of what goes on in production by monitoring everything Tune Akka applications with the Typesafe Console

Learning Akka

Author : Jason Goodwin
ISBN : 9781784393540
Genre : Computers
File Size : 51. 86 MB
Format : PDF
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Build fault tolerant concurrent and distributed applications with Akka About This Book Build networked applications that self-heal Scale out your applications to handle more traffic faster An easy-to-follow guide with a number of examples to ensure you get the best start with Akka Who This Book Is For This book is intended for beginner to intermediate Java or Scala developers who want to build applications to serve the high-scale user demands in computing today. If you need your applications to handle the ever-growing user bases and datasets with high performance demands, then this book is for you. Learning Akka will let you do more for your users with less code and less complexity, by building and scaling your networked applications with ease. What You Will Learn Use Akka to overcome the challenges of concurrent programming Resolve the issues faced in distributed computing with the help of Akka Scale applications to serve a high number of concurrent users Make your system fault-tolerant with self-healing applications Provide a timely response to users with easy concurrency Reduce hardware costs by building more efficient multi-user applications Maximise network efficiency by scaling it In Detail Software today has to work with more data, more users, more cores, and more servers than ever. Akka is a distributed computing toolkit that enables developers to build correct concurrent and distributed applications using Java and Scala with ease, applications that scale across servers and respond to failure by self-healing. As well as simplifying development, Akka enables multiple concurrency development patterns with particular support and architecture derived from Erlang's concept of actors (lightweight concurrent entities). Akka is written in Scala, which has become the programming language of choice for development on the Akka platform. Learning Akka aims to be a comprehensive walkthrough of Akka. This book will take you on a journey through all the concepts of Akka that you need in order to get started with concurrent and distributed applications and even build your own. Beginning with the concept of Actors, the book will take you through concurrency in Akka. Moving on to networked applications, this book will explain the common pitfalls in these difficult problem areas while teaching you how to use Akka to overcome these problems with ease. The book is an easy to follow example-based guide that will strengthen your basic knowledge of Akka and aid you in applying the same to real-world scenarios. Style and approach An easy-to-follow, example-based guide that will take you through building several networked-applications that work together while you are learning concurrent and distributed computing concepts. Each topic is explained while showing you how to design with Akka and how it is used to overcome common problems in applications. By showing Akka in context to the problems, it will help you understand what the common problems are in distributed applications and how to overcome them.

Applied Akka Patterns

Author : Michael Nash
ISBN : 9781491934838
Genre : Computers
File Size : 64. 17 MB
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When it comes to big data processing, we can no longer ignore concurrency or try to add it in after the fact. Fortunately, the solution is not a new paradigm of development, but rather an old one. With this hands-on guide, Java and Scala developers will learn how to embrace concurrent and distributed applications with the open source Akka toolkit. You’ll learn how to put the actor model and its associated patterns to immediate and practical use. Throughout the book, you’ll deal with an analogous workforce problem: how to schedule a group of people across a variety of projects while optimizing their time and skillsets. This example will help you understand how Akka uses actors, streams, and other tools to stitch your application together. Model software that reflects the real world with domain-driven design Learn principles and practices for implementing individual actors Unlock the real potential of Akka with patterns for combining multiple actors Understand the consistency tradeoffs in a distributed system Use several Akka methods for isolating and dealing with failures Explore ways to build systems that support availability and scalability Tune your Akka application for performance with JVM tools and dispatchers

Reactive Design Patterns

Author : Roland Kuhn
ISBN : 1617291803
Genre : Computers
File Size : 30. 2 MB
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Modern distributed applications must deliver near-realtime performance while simultaneously managing big data and high user loads spread across environments ranging from cloud systems to mobile devices. Unlike traditional enterprise applications which focus on decoupling their internal components by defining programming interfaces, reactive applications go one step further and decouple their components also at runtime. This makes it possible to react effectively and efficiently to failures, varying user demands, and changes in the application's execution environment. The resulting systems are highly concurrent and fault-tolerant, with minimal dependencies among individual system components. Reactive Design Patterns is a clearly-written guide for building message-driven distributed systems that are resilient, responsive, and elastic. It contains patterns for messaging, flow control, resource management, and concurrency, along with practical issues like test-friendly designs. All patterns include concrete examples using Scala and Akka—in some cases, Java, JavaScript, and Erlang. Software engineers and architects will learn patterns that address day-to-day distributed development problems in a fault-tolerant and scalable way. Project leaders and CTOs will gain a deeper understanding of the reactive design philosophy. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

Akka Cookbook

Author : Hector Veiga Ortiz
ISBN : 9781785288364
Genre : Computers
File Size : 54. 57 MB
Format : PDF
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Learn how to use the Akka framework to build effective applications in Scala About This Book Covers a discussion on Lagom—the newest launched Akka framework that is built to create complex microservices easily The recipe approach of the book allows the reader to know important and independent concepts of Scala and Akka in a seamless manner Provides a comprehensive understanding of the Akka actor model and implementing it to create reactive web applications Who This Book Is For If you are a Scala developer who wants to build scalable and concurrent applications, then this book is for you. Basic knowledge of Akka will help you take advantage of this book. What You Will Learn Control an actor using the ContolAware mailbox Test a fault-tolerant application using the Akka test kit Create a parallel application using futures and agents Package and deploy Akka application inside Docker Deploy remote actors programmatically on different nodes Integrate Streams with Akka actors Install Lagom and create a Lagom project In Detail Akka is an open source toolkit that simplifies the construction of distributed and concurrent applications on the JVM. This book will teach you how to develop reactive applications in Scala using the Akka framework. This book will show you how to build concurrent, scalable, and reactive applications in Akka. You will see how to create high performance applications, extend applications, build microservices with Lagom, and more. We will explore Akka's actor model and show you how to incorporate concurrency into your applications. The book puts a special emphasis on performance improvement and how to make an application available for users. We also make a special mention of message routing and construction. By the end of this book, you will be able to create a high-performing Scala application using the Akka framework. Style and approach This highly practical recipe-based approach will allow you to build scalable, robust, and reactive applications using the Akka framework.

Strengthening Of Domestic And International Co Operation For Effective Investigation And Prosecution Of Corruption

Author : United Nations Asia and Far East Institute for the Prevention of Crime and Treatment of Offenders
ISBN : STANFORD:36105133207261
Genre : Corruption investigation
File Size : 38. 63 MB
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Akka

Author :
ISBN : UCSD:31822034340828
Genre : Gender identity in literature
File Size : 86. 54 MB
Format : PDF, Mobi
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Report Of The Welsh Plant Breeding Station

Author : Welsh Plant Breeding Station
ISBN : PSU:000067499342
Genre : Horticultural societies
File Size : 36. 50 MB
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The Source

Author : James A. Michener
ISBN : 9780812986242
Genre : Fiction
File Size : 50. 92 MB
Format : PDF, Mobi
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In his signature style of grand storytelling, James A. Michener transports us back thousands of years to the Holy Land. Through the discoveries of modern archaeologists excavating the site of Tell Makor, Michener vividly re-creates life in an ancient city and traces the profound history of the Jewish people—from the persecution of the early Hebrews, the rise of Christianity, and the Crusades to the founding of Israel and the modern conflict in the Middle East. An epic tale of love, strength, and faith, The Source is a richly written saga that encompasses the history of Western civilization and the great religious and cultural ideas that have shaped our world. BONUS: This edition includes an excerpt from James A. Michener's Hawaii. Praise for The Source “Fascinating . . . stunning . . . [a] wonderful rampage through history . . . Biblical history, as seen through the eyes of a professor who is puzzled, appalled, delighted, enriched and impoverished by the spectacle of a land where all men are archeologists.”—The New York Times “A sweeping [novel] filled with excitement—pagan ritual, the clash of armies, ancient and modern: the evolving drama of man’s faith.”—The Philadelphia Inquirer “Magnificent . . . a superlative piece of writing both in scope and technique . . . one of the great books of this generation.”—San Francisco Call Bulletin

Thomson Bank Directory

Author :
ISBN : UCLA:L0089649016
Genre : Bankers
File Size : 52. 7 MB
Format : PDF, ePub
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