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Akka Concurrency [Kindle Edition]

Derek Wyatt
3.8 out of 5 stars  See all reviews (4 customer reviews)

Print List Price: £30.99
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Book Description

Writing truly concurrent software on the Java Virtual Machine just got a whole lot easier. The Akka Toolkit takes the sting out of coding for multiple cores, multiple processors, and even multiple machines.

Akka Concurrency will show you what it means to design and write software in the paradigm of Akka. You'll learn how to think about your software in new and exciting ways that will allow you to express your designs naturally, allowing you to focus on the business of your software more than on the concurrency of it. This book picks up where the Akka documentation leaves off, exploring the how and the why of Akka, in a way that will empower you to grow your applications to new levels of scalability, responsiveness, and performance.


Product details

  • Format: Kindle Edition
  • File Size: 3128 KB
  • Print Length: 521 pages
  • Publisher: Artima Press (24 May 2013)
  • Sold by: Amazon Media EU S.à r.l.
  • Language: English
  • ASIN: B00D67E1LI
  • Text-to-Speech: Enabled
  • X-Ray:
  • Word Wise: Not Enabled
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (4 customer reviews)
  • Amazon Bestsellers Rank: #225,582 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
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Customer Reviews

3.8 out of 5 stars
3.8 out of 5 stars
Most Helpful Customer Reviews
By Brett
Format:Kindle Edition|Verified Purchase
Highly recommended to novice and intermediate users of the AKKA framework.

The chapter on Akka FSM alone makes this book worth the money.
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1 of 2 people found the following review helpful
5.0 out of 5 stars An excellent book 5 Sept. 2013
Format:Kindle Edition|Verified Purchase
I don't often bother to write a review on anything, but I found this book explained quite complex ideas making them simple and did so in a way that held my attention. I actually read the book cover to cover at one sitting and have since dived back in quite often for reference. I knew some Scala and had used Erlang in the past as well as RabbitMQ so I had a good deal of background knowledge, but the author write from a deep understanding of his subject and I was grateful to have a few misconceptions cleared up. This is book is worth many times its price if you need to build a system using actors, and if you build systems at all,ayou should.
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1 of 2 people found the following review helpful
Format:Kindle Edition|Verified Purchase
I literally could not read this book due to the author littering the text with his unfunny jokes. If he spent the time and energy producing a more serious text aimed at professional software engineers I think the book has something to contribute. But alas I cannot turn the pages of this book due to one crap joke after another.

I will wait for the Akka in Action book due out on 3 Mar 2015 by Raymond Roestenburg (Author), Rob Bakker (Author), Rob Williams (Author). Hopefully that will be a more serious and non-trivial attempt at explaining how to use this framework.
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0 of 1 people found the following review helpful
5.0 out of 5 stars Well written overview of Akka framework 6 Feb. 2015
By Petr
Format:Paperback|Verified Purchase
Being fresh to Scala/Akka ecosystem I did go through several different books before reading this one. After being through first few chapters though I've realised this should have been the first one on Akka. I did enjoy the flow of the book going from the most fundamental Akka principles to more advanced topics in quite natural way. One of the highlights is that all the concepts are explained on one consistent example - Plane/Airport model - which evolves and gains complexity as you go through the book. Together with emphasis on testability and testing patterns this book was well rounded read about the topic which extended my insight into Akka. Would highly recommend as an entry material as well as read for intermediate programmers to get more firm grasp of core Akka concepts.
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Most Helpful Customer Reviews on Amazon.com (beta)
Amazon.com: 3.3 out of 5 stars  14 reviews
26 of 30 people found the following review helpful
1.0 out of 5 stars A missed opportunity 26 Nov. 2013
By G. Botta - Published on Amazon.com
Format:Paperback
This book is a missed opportunity.

Akka is a wonderful framework that allows designing asynchronous non blocking distributed applications. The literature covering Akka and reactive programming is scarce and fragmented. The examples online are limited and often uninteresting. The "best practices" or "patterns" of Akka programming are only very briefly documented in the Akka online documentation.

This book could have filled all of those gaps by being both an introductory guide to actor programming and a reference guide for advanced patterns and concepts like actor supervision and self-healing, routing, remoting, clustering (actually not covered because not finalized at the time the book was published).

Instead, the author gets lost in his own sense of humor and horribly unpractical and contrived example (as others have noticed) that not only doesn't help understanding any pattern or best practice, but it also makes the first steps in actor programming much harder because it's too abstract and meaningless to give the reader some simple "real life" examples to work from.

Instead, the reader has to do the extra work of abstracting the concepts out of the (annoyingly "funny") text and the non-sense monolithic example (for which no complete source code is given, which makes it even harder to follow) and try to figure out how those concepts actually apply to a real system design, e.g., how to interact with a (blocking) database driver or other service, how and where to implement fault tolerance for the most critical parts of the system, how to distribute actors or actor systems across many machines for high availability, etc. None of this is covered with clarity in the book.

Moreover, the book isn't able to make a solid case for reactive programming and Akka by focusing on the unpractical code examples but also by lacking a clear and concise explanation of the advantages of non-blocking paradigms vs more traditional approaches.

I was expecting much more out of this. A much better book is Effective Akka by Jamie Allen (Effective Akka Jamie Allen which gives concise coding examples, spells out the advantages of reactive programming and its typical use cases, provides usable patterns and best practices in the form of real life code bits and simple and focused design recommendations. I was able to start designing my system after reading just a few pages of that book, while I got nowhere reading Akka Concurrency.
10 of 11 people found the following review helpful
3.0 out of 5 stars Decent Introduction to Actors 15 Aug. 2013
By A.H. - Published on Amazon.com
Format:Paperback|Verified Purchase
The first part of the book is on Actors. The author decided to use one giant example of a plane system to demonstrate the ins and outs of Akka's Actor implementation. This approach makes things hard to follow and concepts hard to learn. I'd have preferred detailed explanation with lots of small examples.
6 of 6 people found the following review helpful
4.0 out of 5 stars This is a solid book 9 Feb. 2014
By Alvin Alexander - Published on Amazon.com
Format:Paperback
I was really surprised to see so many negative comments out here. This is a solid book on Akka, certainly the best one out there today. The chapters on Actors, Contexts, Supervision, Routing, Dispatchers, Futures, Patterns, and Antipatterns are all good. (I haven't spent much time in the other chapters.) The author also spent a lot of time on the diagrams, which are also good.
4 of 5 people found the following review helpful
1.0 out of 5 stars Book does not respect the reader 26 Mar. 2014
By JAMIE R LAWSON - Published on Amazon.com
Format:Paperback|Verified Purchase
This book is poorly written. It tries, but fails to be conversational, and in the process annoys the reader. many of the footnotes and citations are about the bad jokes rather than about the content. And the content is not developed. What problem motivates the feature? What theory supports the feature? How do we precisely define the feature? Then how do we use the feature (which to book does say something about), and what is a minimal example? The examples in the book tend to be bad, and that is really not subjective because the author says "this is not how you should use the feature but it gives you the gist." And the exa.poles are way too big. Give me small examples of how the thing actually should be used. Otherwise the examples are without meaning.
4 of 5 people found the following review helpful
4.0 out of 5 stars A good book, but with limitations 7 July 2013
By Amazon Customer - Published on Amazon.com
Format:Kindle Edition|Verified Purchase
The author is knowledgeable and fairly thorough on covering Akka coding using Scala.I do wish the book talked more about synchronization on a larger scale. In my experience processing large amounts of data the common question is, "when are we done?", but this is not trivial to answer in Akka for larger software systems.
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