AWS Cloudwatch

Question 1

What is Cloudwatch

Answer 1

monitoring and management service that provides data and actionable insights for AWS, hybrid, and on-premises applications and infrastructure resources.

Question 2

Does Cloudwatch provide real-time visibility of logs

Answer 2

CloudWatch provides up to 1-second visibility of metrics and logs data

Question 3

How long does Cloudwatch store the metrics data

Answer 3

the Metrics data can be stored for maximum of 15months

Question 4

What are the categories of logs can Cloudwatch collect

Answer 4

1. Vended Logs
2. AWS published Logs
3. Third-party Logs

Question 5

What does vended logs mean?

Answer 5

These are natively published by AWS services on behalf of the customer.
Currently Amazon VPC Flow Logs and Amazon Route 53 logs are the two supported types

Question 6

What are AWS published Logs?

Answer 6

Currently over 30 AWS services publish logs to CloudWatch. eg: Lambda, EC2, CloudTrail

Question 7

What are Third-party logs

Answer 7

Logs from customer applications in cloud, on-premise servers / applications. Third-party products etc

Question 8

How can Third-party logs be integrated into Cloudwatch

Answer 8

The logs can be integrated via two mediums

1. Cloudwatch agents installed using Systems manager
2. using Putlogdata API to publish logs