January 2018
Intermediate to advanced
300 pages
6h 54m
English
Content preview from Implementing Azure Cloud Design Patterns
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Concurrency and consistency
Let's start with the term concurrency. Here, you have to answer the following question: What kind of concurrency mechanism do you want to use?
The following options are available:
- Pessimistic concurrency control: In the case of pessimistic concurrency control, the application performs many updates, which can contain a high conflict potential. The mechanism you choose will try to counteract this with record locking.
- Optimistic concurrency control: In the case of optimistic concurrency control, there is no high conflict potential. Therefore, this mechanism provides only a simple timestamp lock.
The next term is consistency or rather, consistency model.
Consistency models are used in distributed systems or distributed ...
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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.