The O’Reilly Programming podcast features conversations that give developers, engineers, and architects tips on getting projects done better and faster.

O'Reilly Programming Podcast

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In this episode of the O’Reilly Programming Podcast, I talk with Ben Evans, co-founder and technology fellow at JClarity, and co-author of the forthcoming O’Reilly book "Optimizing Java: Practical Techniques for Improved Performance Tuning." We discuss the upcoming release of Java 9, Java performance issues, and Evans’ experience as an organizer for the London Java Community.

Ben Evans on Java 9

In this episode of the O’Reilly Programming Podcast, I talk with Ken Kousen, an author, instructor, and consultant who is presenting the live online training courses Functional Programming in Java 8 and Getting Started with Spring Boot in September and October. He is also the author of the newly published O’Reilly book Modern Java Recipes: Simple Solutions to Difficult Problems in Java 8 and 9.

Ken Kousen on Java, Spring, and Groovy

So, after far too long a hiatus, we’re back on the Magpie Talkshow for a one-off episode where I interview Kafka creator and Confluent CEO Jay Kreps. 

I’ve been doing a small amount of work with Confluent recently, and through this I got the chance to meet Jay, and I thought he’d make a great guest for the show. So in this episode we’re going to learn about Jay’s own journey in the tech industry, as well as diving into the mindset behind Kafka and where you might want to use it.

There are a couple of firsts in this episode. Firstly, it was recorded remotely via video conferencing - I think the audio quality is pretty good, largely thanks to the use of zencaster. I did however have to do more editing than usual but I’m pretty happy with how it turned out. Secondly We’re also going to be sharing a video of our chat over on confluent's website, and I’ll update this post with a link once it’s available.

I do have to apologise for the sporadic nature of the episodes I’m putting out but as is often the case, life get’s in the way. In between our last episode and this one I setup my own company, and left australia for London, where I am currently based. I still plan to publish the occasional episode from time to time, so please do stay subscribed to the feed. Hopefully if things settle down a bit I may get back to a more regular posting schedule!

Jay and I talked about a number of things on the podcast, but the main one I wanted to highlight is previous guest Ben Stopford’s really interesting posts on using Kafka for sharing data between microservices. There are some fascinating ideas there which I think can solve problems many of us face when creating finer-grained distributed systems. You can find Ben's posts here: https://www.confluent.io/blog/author/ben/.

Anyway, I hope you enjoy the show!

Magpie Talkshow Episode 23 - Jay Kreps

In this podcast Shane Hastie, Lead Editor for Culture & Methods, spoke to Josh Evans, former engineering manager at Netflix on how Netflix does DevOps and the freedom and responsibility culture that undermines their way of working. 

Why listen to this podcast:

•	There are many interpretations of the term DevOps, it is a useful shorthand for a wide variety of technologies and approaches 
•	“You build it, you run it” is the concrete application of the freedom and responsibility culture
•	When building a platform tool make it so easy to use that the product teams are not tempted to try and build something for themselves
•	Product teams are free to experiment and learn, which can feel chaotic and is a valuable part of the freedom and responsibility culture
•	The value of blameless and safe incident reviews – the goal is to learn and find patterns and use that information to present whole classes of failure from happening in the future
•	Don’t view the value stream in a fragmented way – see the whole end to end system with all its interactions and dependencies and optimize the system as a cohesive whole rather than different tools and domains

More on this: Quick scan our curated show notes on InfoQ http://bit.ly/2mtCIr1

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Show Notes

Josh Evans on DevOps at Netflix

In this episode of the O’Reilly Programming Podcast, we revisit our June 2017 conversation with Sam Newman, presenter of the O’Reilly video course The Principles of Microservices and the online training course From Monolith to Microservices. He is also the author of the book Building Microservices: Designing Fine-Grained Systems.

Sam Newman on Building Microservices

In this episode of the O’Reilly Programming Podcast, I talk with Paul Bakker, senior software engineer on the edge developer experience team at Netflix, and Sander Mak, a fellow at Luminis Technologies. They are the authors of the O’Reilly book "Java 9 Modularity," in which they call the introduction of the module system to the platform “the start of a new era.”

Paul Bakker and Sander Mak on Java 9 Modularity

In this episode of the O’Reilly Programming Podcast, I talk with Richard Warburton and Raoul-Gabriel Urma of Iteratr Learning. They are the presenters of a series of O’Reilly Learning Paths, including "Getting Started with Reactive Programming" and "Build Reactive Applications in Java 8." Warburton is the author of "Java 8 Lambdas," and Urma is the author of "Java 8 in Action."

Richard Warburton and Raoul-Gabriel Urma on Java 8 and Reactive Programming

In this episode of the O’Reilly Programming Podcast, I talk about Jenkins 2 and Git with Brent Laster, who presents a number of live online training courses on these topics (including "Building a deployment pipeline with Jenkins 2," and "Next level Git"). Laster will also present the workshop "Power Git" at the O’Reilly Open Source Convention, July 16-19, 2018, in Portland, Oregon, and he is the author of the forthcoming O’Reilly book "Jenkins 2: Up and Running."

Brent Laster on Jenkins 2 and Git

In this episode of the O’Reilly Programming Podcast, I talk about Kubernetes, containers, and more with Bridget Kromhout, a principal cloud developer advocate at Microsoft, and a frequent speaker at tech conferences. She will be leading the workshop "Kubernetes 101" at the O’Reilly Velocity Conference in San Jose, June 11-14, 2018, and at the O’Reilly Open Source Convention (OSCON), July 16-19, 2018.

Bridget Kromhout on Kubernetes

In this episode of the O’Reilly Programming Podcast, I talk with two of the program chairs for the upcoming O’Reilly Fluent Conference (July 11-14 in San Jose), Kyle Simpson and Tammy Everts. Simpson is co-author of the "HTML 5 Cookbook," and the author of the "You Don’t Know JS" series of books. Everts is the chief experience officer at SpeedCurve and the author of "Time is Money: The Business Value of Web Performance."

Kyle Simpson and Tammy Everts on the Challenges of the Modern Web

On this week’s podcast, Wes Reisz talks with Brian Goetz. Brian is the Java Language Architect at Oracle. The two start with a discussion on what the six-month cadence has meant to the teams developing Java. Then move to a review of the features in Java 9 through 12. Finally, the two discuss the longer-term side projects (such as Amber, Loom, and Valhalla) and their role in the larger release process for the JDK.

* The JVM’s sixth-month cadence changed the way the JDK is delivered and planned. While it definitely provides more rapid delivery at expected intervals, the release train approach turned out to also improve flexibility and efficiency.
* Oracle JDK and OpenJDK are almost identical. Most of the JDK distributions are forks from OpenJDK with different bug fixes and backports applied. So the difference between the distributions now is largely which bug fixes are picked up.
* Local Variable inference (which was released as part of Java 10) illustrated the tension on making changes to the language. Many people wanted the change, but many others felt it would enable people to write bad code. Oracle had to balance the two views when making the change.
* The number of Java versions allow finer grain decision making on what is appropriate for an application. With the adoption of containers, applications are bundled with an exact JDK version rather than having to use one from a systems level. The different versions give developers more options.
* Incubating features are new libraries added to the JDK. They were offered starting with Java 9 as a way for people to test and offer feedback more rapidly. With Java 12, preview features will be released. Preview features are similar but are core platform and language features.
* Shenandoah and ZGC are both low latency garbage collectors. They originally came from different sources. While both garbage collectors are similar, each has different performance characteristics under different workloads. The two garbage collectors represent options available to JVM developers.
* Most non-trivial JDK features take more than six months to develop. Longer term side projects like Amber, Loom, Valhalla are where these features are developed prior to being released with a version of the JDK. The projects range from language enhancements to concurrency work.

Java Language Architect Brian Goetz on Java and the JDK

O'Reilly Media spreads the knowledge of innovators. At O’Reilly, a big part of our business is paying attention to what’s new and interesting in the world of technology. We have a pretty good record at having anticipated some of the big technology developments in recent history. For instance, we launched the first commercial Web site, GNN, in 1993; we organized the meeting at which the term “open source” was first adopted; we were early investors in Blogger, which helped launch the blogging revolution; and more recently, our Web 2.0 conference launched a world-wide meme. We call this predictive sense the “O’Reilly Radar.” And while we’re certainly not always right, we are, at least, good at making interesting guesses.

Our methodology is simple: we draw from the wisdom of the alpha geeks in our midst, paying attention to what’s interesting to them, amplifying these weak signals, and seeing where they fit into the innovation ecology. Add to that the original research conducted by our Research team, and you start to get a good picture of what the technology world is thinking about.

Richard Warburton and Raoul-Gabriel Urma on Java 8 and Reactive Programming

O'Reilly Radar