CloudWatch Logs Cheat Sheet


  • A centralized store for your application logs
  • Most AWS services (e.g. Lambda) can directly send logs
  • Needs CloudWatch Agent on EC2, pre-installed with Amazon Linux
  • Serverless, priced by usage

CloudWatch Agent

  • 🎓 An agent that can be installed on EC2 or on-premise to send logs to CloudWatch Logs
  • Open-source, written in Go

CloudWatch Subscriptions

  • Relay logs to other targets for real-time processing
  • Example targets: Kinesis, Lambda

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