May 2023
Intermediate to advanced
552 pages
16h 16m
English
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13 Achieving high availability: Availability zones, autoscaling, and CloudWatch
This chapter covers
- Recovering a failed virtual machine with a CloudWatch alarm
- Using autoscaling to guarantee your virtual machines keep running
- Understanding availability zones in an AWS region
- Analyzing disaster-recovery requirements
Imagine you run an online shop. During the night, the hardware running your virtual machine fails. Your users can no longer access your web shop until the next morning when you go into work. During the eight-hour downtime, your users search for an alternative and stop buying from you. That’s a disaster for any business. Now imagine a highly available web shop. Just a few minutes after the hardware failed, the system recovers, restarts ...
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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.