September 2018
Beginner to intermediate
174 pages
3h 27m
English
Content preview from Designing AWS Environments
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Auto scaling
Auto scaling allows us to horizontally scale, by launching and terminating instances in response to the request to load. So if our application gets a lot of traffic during the day, perhaps we will have ten instances getting requests from the ELB. But overnight, we don't have a lot of users, so maybe we'll go down to a minimum of two. We can specify the minimum and maximum number of instances for our auto scaling group. To maintain our high availability, we should probably never specify a minimum of less than two. When you create an auto scaling group, you will also have to define the launch configuration. This is simply all of the attributes of the EC2s that the auto scaling group will launch, including the AMI, instance size ...
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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.