Amazon AWS – CloudWatch – monitoring

Basic information about Amazon CloudWatch Service:

 

AWS Free Tier availability:

  • 10 Metrics,
  • 10 Alarms,
  • 1,000,000 API requests

 

Developer Resources:

 

Functionality:

  • Monitoring AWS resources automatically (without installing additional software):
    • Basic Monitoring for Amazon EC2 instances: ten pre-selected metrics at five-minute frequency, free of charge.
    • Detailed Monitoring for Amazon EC2 instances: seven pre-selected metrics at one-minute frequency, for an additional charge.
    • Amazon EBS volumes: eight pre-selected metrics at five-minute frequency, free of charge.
    • Elastic Load Balancers: ten pre-selected metrics at one-minute frequency, free of charge.
    • Amazon RDS DB instances: thirteen pre-selected metrics at one-minute frequency, free of charge.
    • Amazon SQS queues: eight pre-selected metrics at five-minute frequency, free of charge.
    • Amazon SNS topics: four pre-selected metrics at five-minute frequency, free of charge.
    • Amazon ElastiCache nodes: twenty-nine pre-selected metrics at one-minute frequency, free of charge.
    • Amazon DynamoDB tables: seven pre-selected metrics at five-minute frequency, free of charge.
    • AWS Storage Gateways: eleven pre-selected gateway metrics and five pre-selected storage volume metrics at five-minute frequency, free of charge.
    • Amazon Elastic MapReduce job flows: twenty-three pre-selected metrics at five-minute frequency, free of charge.
    • Auto Scaling groups: seven pre-selected metrics at one-minute frequency, optional and charged at standard pricing.
    • Estimated charges on your AWS bill: you can also choose to enable metrics to monitor your AWS charges.
  • Submitting Custom Metrics generated by your own applications (or by AWS resources not mentioned above) and having them monitored by Amazon CloudWatch. You can submit these metrics to Amazon CloudWatch via a simple Put API request.
  • Setting alarms on any of your metrics to receive notifications or take other automated actions when your metric crosses your specified threshold. You can also use alarms to detect and shut down EC2 instances that are unused or underutilized.
  • Viewing graphs and statistics for any of your metrics, and getting a quick overview of all your alarms and monitored AWS resources in one location on the Amazon CloudWatch dashboard.
  • Useing Auto Scaling to add or remove Amazon EC2 instances dynamically based on your Amazon CloudWatch metrics.

 

 

 

Resources:

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