AWS Cloudwatch Alarm Setup Tutorial | Step by Step

AWS Cloudwatch Alarms are an important tool to get notified in case your application starts experiencing issues. This can range from elevated error counts, higher latencies, and many other important metrics. In this video, I show you how to create a simple cloudwatch alarm that will send an email notification to you when triggered.

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#AWS
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[prateekghanghas]

If your video is still relevant after 2 years in this era, you know you did a great job 😄 👍

[elanxx]

Best explanation of datapoints and periods and how they alarm I've seen.

[Ismafeb]

This is one of the best AWS videos I've ever seen- Amazing job. The devil is in the details, I think you may be one of the only few who noticed.

[joyebot]

You are the best; this is the best explanation of a data point I have seen so far. Thank you.

[hasanfarable]

Best explanation so far about datapoints periods. Thanks much

[stivenmedina]

Thank you so much for your content, very useful and easy to understand 👍🏼

[dimuAus]

Great video! Good presentation. Easy to understand. Worth the time I spent on this. Thank you

[driden]

It's incredible that you are not charging for your videos.
Thanks!!!

[hasanbiyik]

Your videos are so useful for novices like me. Please upload more videos!

[timothyanderson]

You went pretty quickly over the “treat missing data as ignore” option, but it’s one of the most useful when you have a mix of a lot of missing data points and a lot of over-threshold data-points and are using something like “average”.

“Ignore” basically means: whatever the alarm state is when the missing data point is introduced, that missing data point will be determined by that alarm state. It’s basically capable of being either “alarm” or “ok”. If you are in an alarm state, and move to the next time period, and there is missing data, the missing data is treated as above the threshold rather than being treated as below - which would drop your average and potentially drop your average below the threshold, which would change your alarm state to ok, even though the system might, and most likely is supposed to be, in alarm state.

The same way a true for the inverse. If the alarm is in “ok” state, the missing data point won’t be treated as above the threshold, which could kick your average above the threshold.

Basically - it’s Schrödinger’s cat.

[bharathappala]

Amazing presentation and very useful. Thanks

[MCSMIK]

Useful, I like the way you explain. Subscribed for more 🙂

[AlvinC-szli]

A cool thing about CloudWatch Alarm is, you can integrate it with your own services, so that a red alarm can trigger things in your own monitor/paging/ticket system.

[rahulprasad]

Is there a way to set pager instead of email?

[NavneetSingh-iz]

@BeABetterDev the dataPoints need to be consecutive?

[suriyam]

Is there is any way to send notification about non logged in servers in particular accout?

[santiagorivera]

What if you only want the email notification to be sent once a day, even if the alarm is in alarm state more than once in a day? (asking so as to not clutter up recipients inboxes if we expect the alarm to be triggered multiple times throughout the day while devs are troubleshooting some issue)

[nikolais]

Is it important to know how often data points appear on a graph (metric resolution) when setting period + evaluation periods + data points to alarm values?

[mritunjayshanker]

Hey Thanks for this awesome video.But I got confused at one point, when we are using additional configurations at that time the threshold value has no significance...am I right here ?

[Nifty-Stuff]

Brilliant video, thanks! I've got my alert setup, and have it in an "alarm state" for testing, but I'm not getting emails. The address is verified, but not sure what to do. One thing I don't think I heard in your video: How often (once triggered) will the alert be sent? Is it based on the "period" interval? So if the interval is 5 mins, is the alert sent that often... or is the alert only sent once regardless of the interval, once it enters that state? Hopefully that makes sense?