Monitoring and Troubleshooting Flashcards
1
Q
Where are CloudWatch logs stored?
A
S3. Everything in the backend is stored in S3.
2
Q
What are CloudWatch metrics?
A
Data about the performance of your systems. CloudWatch can see CPU utilization, network IO, and disk IO. You can’t see contents of disk/network, just bytes.
3
Q
How long is metric data stored for?
A
15 months
4
Q
What is a 429 error?
A
Throttling error
5
Q
What are the three pillars of observability?
A
Metrics, traces, and logs.
