July 2017
Beginner to intermediate
358 pages
10h 54m
English
Content preview from Building Microservices with Go
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Atomic transactions
While storing data, a database can be ATOMIC: that is, all operations occur or none do. We cannot say the same with distributed transactions in microservices. When we used SOAP as our message protocol a decade or so ago, there was a proposal for a standard called Web Service-Transactions (WS-T). This aimed to provide the same functionality that you get from a database transaction, but in a distributed system. Thankfully SOAP is long gone unless you work in finance or another industry which deals with legacy systems, but the problem remains. In our previous example, we looked at how we can decouple the saving of the data and the sending of the e-mail by using a message queue with at least once delivery. What if we could ...
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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.