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Showing posts with the label Alarms

AWS Cloudwatch

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 AWS Cloudwatch is one of those products that initially looks very scary to deal with. Whole bunch of data, metrics, dashboards, analysis.Wait...sounds like now we are talking finance and not cloud. But, if you play around with it, fundamentally Cloudwatch works on simply three major principles. 1. Metrics 2. Logs 3. Events Think of it as a security guard, on duty 24/7 watching your house and if any single component stops working or gets damaged, instead of waking you up in the middle of the night, it will sound an alarm and it will take action doing all this while simultaneously writing a detailed report. Well, on a very high level that's the idea. Cloudwatch is extremely customizable and one of its key metric is well, a Metric. And that's what we're going to talk about today. Metrics are like triggers that you define. You can either choose from a predefined list of metrics that AWS has to offer or, you can write you own custom metric using AWS CLI or via an API . A partic