October 2016
Intermediate to advanced
436 pages
11h 31m
English
Content preview from Mastering AkkaBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Akka Persistence for event sourcing
Akka Persistence is a relatively newer module within the Akka toolkit. It became available as experimental in the 2.3.x series. Throughout that series, it went through quite a few changes as the team worked on getting the API and functionality right. When Akka 2.4.2 was released, the experimental label was removed, signifying that persistence was stable and ready to be leveraged in production code.
Akka Persistence allows stateful actors to persist their internal state. It does this not by persisting the state itself, but instead as changes to that state, using a configurable Akka Persistence journal to do so. It uses an append-only model to persist these state changes, allowing you to later reconstitute the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.