Amazon CloudWatch
Complete visibility of your cloud resources and applications
CloudWatch Free Tier includes 10 Custom Metrics and 10 Alarms, 1,000,000 API Requests, 5GB of Log Data Ingestion and 5GB of Log Data Archive; 3 Dashboards with up to 50 Metrics Each per Month.
Amazon Web Services China Region • Always Free
Amazon CloudWatch is a monitoring service for Amazon Web Services cloud resources and the applications you run on Amazon Web Services. You can use Amazon CloudWatch to collect and track metrics, collect and monitor log files, set alarms, and automatically react to changes in your Amazon Web Services resources. Amazon CloudWatch can monitor Amazon Web Services 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.
Use cases
Monitor Amazon EC2
View metrics for CPU utilization, data transfer, and disk usage activity from Amazon EC2 instances (Basic Monitoring) for no additional charge. For an additional charge, CloudWatch provides Detailed Monitoring for EC2 instances with higher resolution and metric aggregation. No additional software needs to be installed. Learn more »
Monitor Other Amazon Web Services Resources
Monitor metrics on Amazon DynamoDB tables, Amazon EBS volumes, Amazon RDS DB instances, Amazon Elastic MapReduce job flows, Elastic Load Balancers, Amazon SQS queues, Amazon SNS topics, and more for no additional charge. No additional software needs to be installed. Learn more »
Monitor Custom Metrics
Submit Custom Metrics generated by your own applications via a simple API request and have them monitored by Amazon CloudWatch. You can send and store metrics that are important to your application’s operational performance to help you troubleshoot and spot trends. Learn more »
Monitor and Store Logs
You can use CloudWatch Logs to monitor and troubleshoot your systems and applications using your existing system, application, and custom log files. You can send your existing system, application, and custom log files to CloudWatch Logs and monitor these logs in near real-time. This can help you better understand and operate your systems and applications, and you can store your logs using highly durable, low-cost storage for later access. Learn more »
Set Alarms
Set alarms on any of your metrics to send you notifications or take other automated actions. For example, when a specific Amazon EC2 metric crosses your alarm threshold, you can use Auto Scaling to dynamically add or remove EC2 instances or send you a notification. Learn more »
Monitor and React to Resource Changes
CloudWatch Events provides a stream of events describing changes to your Amazon Web Services resources. You can easily build workflows that automatically take actions you define, such as stopping an Amazon EC2 instance, sending an Amazon SNS message, or adding a message to the Amazon SQS Queue, when an event of interest occurs. Learn more »
Learn more about Amazon CloudWatch
Intended Usage and Restrictions
Your use of this service is subject to the Amazon Web Services Customer Agreement.
