September 2020
Intermediate to advanced
314 pages
8h 22m
English
Content preview from SRE with Java Microservices
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Chapter 5. Safe, Multicloud Continuous Delivery
The placement of this chapter in the second half of this book should signal the importance of telemetry in achieving safe and effective delivery practices. This may come as a surprise, because every organization ships software with an emphasis on testing as a means of guaranteeing safety, but not every organization measures it actively in a way that is directly related to end-user experience.
The concepts in this chapter will be introduced with a continuous delivery tool called Spinnaker, but as with earlier chapters, a different tool could achieve similar ends. I’d like to establish a minimum base for what you should expect from a worthy CD tool.
Spinnaker is an open source continuous delivery solution that started at Netflix in 2014 to help manage its microservices in AWS. It was preceded at Netflix by a tool called Asgard, which was really just an alternative AWS console organized with application developers in mind, and built for Netflix’s unusual scale of AWS consumption. At one point, I was interacting with an AWS console form that required me to select a security group. The UI element in the console was a plain HTML select (list box) with four visible elements. The available security groups were unsorted in the list box, and there were thousands of them (again, because of Netflix’s broad scale in this account)! Usability issues like this led to Asgard, which in turn led to Spinnaker. Asgard was really just an application inventory ...
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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.
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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.