July 2017
Intermediate to advanced
402 pages
9h 38m
English
Content preview from Effective DevOps with AWS
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Metrics
Metrics are often used to monitor things that can be quantified, such as system metrics (CPU utilization, free memory, network consumption), page views, or HTTP status (the current error rate in my application).
In CloudWatch, metrics are defined as tuples and contain the following:
- The resource ID
- The service name
- The metric name
- A metric value
- A timestamp
For example: a metric of i-e434d47f | EC2 | CPUUtilization | 13.4 | 2017-08-14T12:00:00.000Z shows that the CPU utilization of the EC2 instance ID i-e434d47f was at 13.4% on 2017-08-14T12:00:00.000Z.
Most AWS will integrate natively with CloudWatch. By going to https://console.aws.amazon.com/cloudwatch, you can start browsing the different metrics already generated by the different ...
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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.