Monitoring Flashcards
What is CloudWatch?
Platform for monitoring and observability to identify potential issues
What are the 2 categories of CloudWatch metrics?
Default metrics and customer provided metrics
What is the default period for cloudwatch statisitics?
60 seconds
Are there default Alarms?
No
What is the default reporting interval? For detailed monitoring?
5 minute and 1 minute with added cost
What metrics are provided by standard?
CPU Utilization, Network throughput
What metrics are custom?
EBS volume storage usage, Memory utilization
What does it mean for a metric to be custom?
Metrics need a CloudWatch agent installed on the host
What are system metrics?
These are default, standard metrics e.g. managed services provides more of these
What are application metrics?
Custom metrics that need a CloudWatch agent installed
What is CloudWatch Logs?
Place to centrally store and access log files and query
What is a Log Event?
A data point of what happened with a timestamp and data
What is a Log Stream?
A collection of log events from the same source
What is a Log Group?
Collection of log streams from different sources e.g. different ec2 instances
What do you use if you want to use SQL with CloudWatch Logs?
Use CloudWatch Insights