Understand what a CloudWatch alarm is, and its three states: OK, Alarm, Insufficient_data.
- [Narrator] Before jumping in and using CloudWatch…it's important to understand Cloudwatch alarms…in a bit more detail.…As always understanding how something works…lets you use it an optimal fashion.…A CloudWatch alarm has three possible states.…The first state is OK.…For example, suppose you create an alarm…that goes off when CPU utilization…on an EC2 instance gets above 75%.…Any time the CPU utilization is under 75%,…the alarm would be in an OK state.…
The second state is ALARM.…Following our line of thinking, if the CPU utilization…on an instance goes above 75%,…the CloudWatch alarm's state would change to ALARM.…The third state is INSUFFICIENT_DATA.…Suppose an EC2 instance monitored…by CloudWatch is only used to process…a batch workload during a specific window.…Making efficient use of your AWS and financial resources…that EC2 instance is only turned on during the batch window.…
While the EC2 instance is off, the CloudWatch alarm…is in a state of insufficient data…since the instance isn't using any CPU.…Even though the functionality is nice,…
This course is also part of a series designed to help you prepare for the AWS Certified SysOps Administrator – Associate certification exam.
This course includes trademarks owned by Amazon Web Services. This course has not been prepared, approved, or endorsed by Amazon Web Services.
- Exploring monitoring tools
- Understanding CloudWatch
- Using CloudWatch alarms
- Monitoring EC2 memory
- Using AWS Config
- Understanding AWS logging and ElasticSearch
- Combining CloudWatch and Lambda
Skill Level Intermediate
Amazon Web Services: High Availabilitywith Sharif Nijim2h 17m Intermediate
1. Exploring Monitoring Tools
2. Using AWS Config
3. Beyond Traditional Monitoring
4. Taking Action
Next steps2m 53s
- Mark as unwatched
- Mark all as unwatched
Are you sure you want to mark all the videos in this course as unwatched?
This will not affect your course history, your reports, or your certificates of completion for this course.Cancel
Take notes with your new membership!
Type in the entry box, then click Enter to save your note.
1:30Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.