CloudWatch Flashcards
What is CloudWatch?
A monitoring service for compute, databases, storage and deliverly, SNS, and SQS Queues
What host level metrics does CloudWatch monitor?
CPU
Network
Disk
Status Check
Default intervals for CloudWatch
5 min
Intervals of detailed monitoring for CloudWatch
1 min
How long are metrics stored by default in CloudWatch
indefinitely
How to set notification if metric reaches certain value in Cloudwatch
Set an alarm. This can trigger SNS or Lambda
What can you set if you want sub minute metrics in Cloudwatch
High Resolution Custom Metrics
note these are very expensive
Service that monitor’s performance
CloudWatch
Service that monitor’s API calls in AWS platforms
CloudTrail
Service that records stat of AWS and notify of change
AWS Config
Cloudwatch metric to measure responsiveness of backend
IntegrationLatency
Cloudwatch metric that measures responsiveness of API calls
Latency
CloudWatch metric that tracks number of requests served from backend in given period when API caching is enabled
CacheMissCount
CloudWatch metric that tracks number of requests served from API cache in given period
CacheHitCout
How to easily enable CloudWatch Logs in an EC2 instance?
Install CloudWatch Logs agent in the instance.
It will auto collect and push data to CloudWatch Logs
