Document History

Updates to Amazon CloudWatch Monitoring Scripts for Linux

Added updates to the monitoring scripts for Linux to add support for AWS Identity and Access Management (IAM) roles, using reported metrics with Auto Scaling, and options for aggregated CloudWatch metrics. For more information, see Amazon CloudWatch Monitoring Scripts for Linux.

New feature: Amazon CloudWatch Alarm Actions

Added a new section to document Amazon CloudWatch alarm actions, which you can use to stop or terminate an Amazon Elastic Compute Cloud instance. For more information, see Create Alarms That Stop or Terminate an Instance.

Updated EBS metrics

Updated the EBS metrics to include two new metrics for Provisioned IOPS volumes. For more information, see Amazon EBS Dimensions and Metrics.

New scripts

You can now use the Amazon CloudWatch Monitoring Scripts for Windows to produce and consume Amazon CloudWatch custom metrics. For more information, see Amazon CloudWatch Monitoring Scripts for Windows.

New billing alerts

You can now monitor your AWS charges using Amazon CloudWatch metrics and create alarms to notify you when you have exceeded the specified threshold. For more information, see Monitor Your Estimated Charges Using Amazon CloudWatch.

New scripts

You can now use the Amazon CloudWatch Monitoring Scripts for Linux to produce and consume Amazon CloudWatch custom metrics. For more information, see Amazon CloudWatch Monitoring Scripts for Linux.

New metrics

You can now access six new Elastic Load Balancing metrics that provide counts of various HTTP response codes. For more information, see Elastic Load Balancing Dimensions and Metrics.

New feature

You can now access metrics from Amazon Simple Notification Service and Amazon Simple Queue Service. For more information, see Amazon SNS Dimensions and Metrics and Amazon SQS Dimensions and Metrics.

Restructured Guide

Renamed, merged, and moved sections, including the entire User Scenario section:

New section

Added a section that describes how to use AWS Identity and Access Management (AWS IAM). For more information, see Controlling User Access to Your AWS Account.

New Feature

Added information about using the PutMetricData API to publish custom metrics. For more information, see Publishing Custom Metrics or go to the Amazon CloudWatch Getting Started Guide.

Updated Content

Amazon CloudWatch now retains the history of an alarm for two weeks rather than six weeks. With this change, the retention period for alarms matches the retention period for metrics data.

New link

This service's endpoint information is now located in the Amazon Web Services General Reference. For more information, go to Regions and Endpoints in Amazon Web Services General Reference.

Updated Content

Added information about using the AWS Management Console to manage Amazon CloudWatch. For more information, see AWS Management Console.

Updated Content

Added a brief discussion about alarms and Auto Scaling. Specifically, alarms continue to invoke Auto Scaling policy notifications for the duration of a threshold breach rather than only after the initial breach. For more information, see Alarms.

Updated Content

Removed Minimum and Maximum from the list of valid statistics for the Elastic Load Balancing RequestCount metric. The only valid statistic for RequestCount is Sum. For a list of all Elastic Load Balancing metrics, see Elastic Load Balancing Dimensions and Metrics.

New feature

Added ability to send Amazon SNS or Auto Scaling notifications when a metric has crossed a threshold. For more information, see Alarms.

New feature

A number of CloudWatch actions now include the MaxRecords and NextToken parameters which enable you to control pages of results to display.

New feature

This service now integrates with AWS Identity and Access Management (IAM). For more information, go to http://aws.amazon.com/iam and to the Using AWS Identity and Access Management.