Elasticbeanstalk Flashcards
What are the two elasticbeanstalk tiers
Worker
Web
Explain elasticbeanstalk deployment option: all at once
Replaces all instances at once.
Explain elasticbeanstalk deployment option: rolling
Deploys in rolling batches.
Explain elasticbeanstalk deployment option: rolling deployment with extra batch
Deploys rolling style, but adds additional instances during the deploy to prevent any reduction in server capacity during the deploy
Explain elasticbeanstalk deployment option: immutable
Entirely new instances. You temp have a double size environment. When health checks are good environment switch is completed and old instances deleted.
The two kinds of elasticbeanstalk health checks are..
Basic
Enhanced
Is elasticbeanstalk fully managed
Yes
How often do http health checks fire in web server environments?
Every 10 seconds
There are two type of elasticbeanstalk worker server health checks. They are…
System check
Instance check
On an elasticbeanstalk worker server. You have a system health check. It’s failing. What’s the best course of action?
Reboot the worker server. This is likely an AWS error
How is elasticbeanstalk charged?
By resources used. The elasticbeanstalk service itself does not charge.
What’s the default deploy option for elasticbeanstalk
All at once
You want to run an elasticbeanstalk deploy. But you can not have any reduction of server capacity during the deploy. What deploy method to use?
Rolling with additional batch
You are running an elasticbeanstalk deploy, and you can not have any down time. What deploy option must you never use?
All at once
With elasticbeanstalk enhanced health agent. How often are metrics reported?
Every 10 seconds
