January 2019
Intermediate to advanced
690 pages
16h
English
book
Implementing AWS: Design, Build, and Manage your Infrastructure
by Yohan Wadia, Rowan Udell, Lucas Chan, Udita Gupta
Content preview from Implementing AWS: Design, Build, and Manage your Infrastructure
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How to do it...
- On the instance, run the following AWS CLI command:
aws cloudwatch put-metric-data \ --metric-name MemoryUsagePercent \ --namespace CustomMetrics \ --dimensions InstanceId=`curl -s \ http://169.254.169.254/latest/meta-data/instance-id` \ --unit Percent \ --value `free | grep Mem | awk '{print $3/$2 * 100.0}'`
- Go to the CloudWatch console, and navigate to the Metrics dashboard. Your metric will appear under the namespace CustomMetrics, InstanceId, and the unique ID for the instance, with the metric name MemoryUsagePercent.
It can take up to 15 minutes for a custom metric to appear in the CloudWatch dashboard (although it usually takes less). Even for the built-in metrics, it may take a minute or two for the metric data ...
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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.