EC2 Flashcards
1
Q
Purpose of CloudWatch Synthetics (and Canaries)
A
Canaries are scripts that run and periodically monitor endpoints, URLs, APIs, mimicking the end-user experience.
Canary Blueprints: Heartbeat Monitor, API Canary, Broken Link Checker, Visual Monitoring, Canary Recorder, GUI Workflow Recorder
2
Q
EC2 Instance Recovery versus Auto-Scaling Groups
A
The former operates as CW Alarm —–> EC2 Auto-Recovery feature (without any Lambda). Preserves IP address, metadata, placement groups
Auto-Scaling Groups will not preserve the same EC2 attributes
