AWS Certified CloudOps Engineer - Associate

CloudWatch Logs and Logs Insights

Log groups, retention, and the three ways log data leaves CloudWatch Logs: metric filters that create alarms, subscription filters that stream in near real time, and Logs Insights queries that answer one-off questions.

Intermediate 22 minutes 6 Learning Objectives
  1. Describe the relationship between log events, log streams, and log groups
  2. Set retention deliberately and explain what the default costs you
  3. Choose between a metric filter, a subscription filter, and a Logs Insights query for a given requirement
  4. Write a Logs Insights query using fields, filter, stats, and sort
  5. Distinguish filter pattern syntax from Logs Insights query syntax
  6. Control Logs Insights cost with time ranges, log group scope, and field indexes