Amazon CloudWatch can monitor AWS resources such as Amazon EC2 instances, Amazon DynamoDB tables, and Amazon RDS DB instances, as well as custom metrics generated by your applications and services, and any log files your applications generate. You can use Amazon CloudWatch to gain system-wide visibility into resource utilization, application performance, and operational health. You can use these insights to react and keep your application running smoothly.
Features & Benefits
Monitor Amazon EC2
Monitor EC2 instances automatically, without installing additional software:
Basic Monitoring for Amazon EC2 instances: Seven pre-selected metrics at five-minute frequency and three status check metrics at one-minute frequency, for no additional charge.
Detailed Monitoring for Amazon EC2 instances: All metrics available to Basic Monitoring at one-minute frequency, for an additional charge. Instances with Detailed Monitoring enabled allows data aggregation by Amazon EC2 AMI ID and instance type.
If you use Auto Scaling or Elastic Load Balancing, Amazon CloudWatch will also provide Amazon EC2 instance metrics aggregated by Auto Scaling group and by Elastic Load Balancer, regardless of whether you have chosen Basic or Detailed Monitoring. Monitoring data is retained for fifteen months, even if your AWS resources have been terminated. This enables you to quickly look back at the metrics preceding an event of interest to you. Basic Monitoring is already enabled automatically for all Amazon EC2 instances, and you can access these metrics in either the Amazon EC2 tab or the Amazon CloudWatch tab of the AWS Management Console, or by using the Amazon CloudWatch API.
Monitor Other AWS Resources
Amazon CloudWatch automatically monitors Elastic Load Balancers for metrics such as request count and latency; Amazon EBS volumes for metrics such as read/write latency; Amazon RDS DB instances for metrics such as freeable memory and available storage space; Amazon SQS queues for metrics such as number of messages sent and received; and Amazon SNS topics for metrics such as number of messages published and delivered. No additional software needs to be installed to monitor other AWS resources.
Below is a list of all supported AWS resources:
Compute & Networking Storage & Content Delivery Databases & Analytics Other
No additional software needs to be installed.
Auto Scaling groups: seven pre-selected metrics at one-minute frequency, optional and for no additional charge.
Elastic Load Balancers: thirteen pre-selected metrics at one-minute frequency, for no additional charge.
Amazon Route 53 health checks: One pre-selected metric at one-minute frequency, for no additional charge.
For more details about AWS resource metrics, please see the Amazon CloudWatch Developer Guide.
Monitor Custom Metrics
Submit Custom Metrics generated by your own applications (or by AWS resources not mentioned above) and have them monitored by Amazon CloudWatch. You can submit these metrics to Amazon CloudWatch via a simple API request. All the same Amazon CloudWatch functionality will be available at up to one-minute frequency for your own custom metric data, including statistics, graphs, and alarms.
Detailed Monitoring for Amazon EC2 instances: All metrics available to Basic Monitoring at one-minute frequency, for an additional charge. Instances with Detailed Monitoring enabled allows data aggregation by Amazon EC2 AMI ID and instance type.
If you use Auto Scaling or Elastic Load Balancing, Amazon CloudWatch will also provide Amazon EC2 instance metrics aggregated by Auto Scaling group and by Elastic Load Balancer, regardless of whether you have chosen Basic or Detailed Monitoring. Monitoring data is retained for fifteen months, even if your AWS resources have been terminated. This enables you to quickly look back at the metrics preceding an event of interest to you. Basic Monitoring is already enabled automatically for all Amazon EC2 instances, and you can access these metrics in either the Amazon EC2 tab or the Amazon CloudWatch tab of the AWS Management Console, or by using the Amazon CloudWatch API.
Monitor Other AWS Resources
Amazon CloudWatch automatically monitors Elastic Load Balancers for metrics such as request count and latency; Amazon EBS volumes for metrics such as read/write latency; Amazon RDS DB instances for metrics such as freeable memory and available storage space; Amazon SQS queues for metrics such as number of messages sent and received; and Amazon SNS topics for metrics such as number of messages published and delivered. No additional software needs to be installed to monitor other AWS resources.
Below is a list of all supported AWS resources:
Compute & Networking Storage & Content Delivery Databases & Analytics Other
No additional software needs to be installed.
Auto Scaling groups: seven pre-selected metrics at one-minute frequency, optional and for no additional charge.
Elastic Load Balancers: thirteen pre-selected metrics at one-minute frequency, for no additional charge.
Amazon Route 53 health checks: One pre-selected metric at one-minute frequency, for no additional charge.
For more details about AWS resource metrics, please see the Amazon CloudWatch Developer Guide.
Monitor Custom Metrics
Submit Custom Metrics generated by your own applications (or by AWS resources not mentioned above) and have them monitored by Amazon CloudWatch. You can submit these metrics to Amazon CloudWatch via a simple API request. All the same Amazon CloudWatch functionality will be available at up to one-minute frequency for your own custom metric data, including statistics, graphs, and alarms.
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