Consider types of failure scenarios and sources of potential application failures for HA design planning.
- [Instructor] As we start to think about what we need to do…to make sure our applications are highly available,…we'll start basically with a negative case…which is understanding when they're not,…also called failure scenarios.…So applications can fail for many reasons,…the most common that I see I listed here…and as we get into the section,…we'll actually get into more aspects of this,…but just the highest level is failing application code,…some kind of code update was pushed that broke production.…Failing AWS service configuration,…some change to the service configuration…that's either new or changed.…
What I've seen happen again and again is that in production,…teams fail to restrict access to the AWS Console…as they should do and some usually new employee…will go and make a configuration change…by clicking on a setting in the console…and that will cause a service disruption.…It's an absolute best practice…to refrain from allowing anyone…to change service configurations…by clicking on the console in a production situation.…
- Understanding high availability (HA)
- Preparing for HA
- Designing for HA
- Understanding continuous deployment (CD)
- Types of verification tests used in CD
- Server mutability and CD
- Implementing CD
- Advanced CD pipeline techniques
- CD pipeline with Step Functions
Skill Level Intermediate
1. Understanding High Availability
2. Design for High Availability
HA for a big data pipeline5m 51s
3. Understanding Continuous Deployment
4. Implementing Continuous Delivery
Next steps1m 6s
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