AWS Monitor (AmazonCloud watch)

Data points generted from resources --> Metrics/Time = Statistics

AmazonCloud watch alarms

You can define a threshold, and if this threshold is reached an alarm can be fired.

Possible alarm states:

• alarm (outside the threshold)
• ok (withine the threshold)
• insufficient data (alarm just started)

Monitoring types:

• basic monitoring (every 5'), free
• detailed monitoring (every 1')

Metrics in CloudWatch

• Namespaces: a container for organizing related metrics.
  Metrics in different namespaces, are completely isolated.

• Dimensions: a name/valeu pair that CloudWatch attaches to each metric.
  Usefull, for filtering metrics.

CloudWatch Logs

• Log event: a log event recorder by some resource, with timespam and event message
• Log stream: Log events grouped into log streams.
• Log groups: log streams are organized in log groups.   - log groups are sharing the following properties:     - Retention period     - premission settings