Metrics are stored separately in Regions, but you can use CloudWatch cross-Region functionality to aggregate statistics from different Regions.

Is CloudWatch regional or global?

Customizable home pages in the CloudWatch console that you can use to monitor your resources in a single view, even those spread across different regions. There is no limit on the number of CloudWatch dashboards you can create. All dashboards are global, not region-specific.

Does Amazon CloudWatch aggregate data across regions?

Before you can get statistics aggregated across instances, you must enable detailed monitoring (at an additional charge), which provides data in 1-minute periods. Note that Amazon CloudWatch cannot aggregate data across AWS Regions. Metrics are completely separate between Regions.

Are CloudWatch events region specific?

Rules in CloudWatch Events work only in the Region in which they are created. If you configure CloudTrail to track API calls in multiple Regions, and you want a rule based on CloudTrail to trigger in each of those Regions, you must create a separate rule in each Region that you want to track.

Is CloudWatch VPC specific?

CloudWatch Logs supports the aws:SourceVpc and aws:SourceVpce context keys that can limit access to specific VPCs or specific VPC endpoints. These keys work only when the user is using VPC endpoints. For more information, see Keys Available for Some Services in the IAM User Guide.

Is AWS VPC region specific?

Amazon VPC is currently available in multiple Availability Zones in all Amazon EC2 regions. Q. Can a VPC span multiple Availability Zones? Yes.

Which AWS services are not region specific?

Some services are classed as global services, such as AWS Identity & Access Management (IAM) or Amazon CloudFront, which means that these services are not tied to a specific region.

What is AWS event rule?

A single rule watches for events from a single event bus. Events generated by AWS services go to your account’s default event bus. … If you have custom applications or services, you can specify whether their events go to your default event bus or a custom event bus that you have created.

What is AWS CloudWatch rules?

Amazon CloudWatch Events delivers a near real-time stream of system events that describe changes in Amazon Web Services (AWS) resources. Using simple rules that you can quickly set up, you can match events and route them to one or more target functions or streams.

What is CloudWatch AWS?

Amazon CloudWatch is a monitoring and management service that provides data and actionable insights for AWS, hybrid, and on-premises applications and infrastructure resources. … You can use CloudWatch Container Insights to monitor, troubleshoot, and alert your containerized applications and microservices.

Article first time published on

Can CloudWatch monitor multiple regions?

Amazon CloudWatch now includes cross-account cross-region dashboards, which enable you to create high level operational dashboards, and with one click, drill down into more specific dashboards in different AWS accounts without having to log in and out of different accounts or switch AWS Regions.

How can you aggregate Amazon CloudWatch metrics across regions?

  1. In the navigation pane, choose Metrics.
  2. Choose the EC2 namespace and choose Across All Instances.
  3. Select the row that contains CPUUtilization , which displays a graph for the metric for all your EC2 instances. …
  4. To change the statistic, choose the Graphed metrics tab.

Is CloudTrail region specific?

Turn on a Trail across all regions: You can now turn on a trail across all regions for your AWS account. CloudTrail will deliver log files from all regions to the Amazon S3 bucket and an optional CloudWatch Logs log group you specified.

Do you need VPC endpoint for CloudWatch?

You do not need to change the settings for CloudWatch. CloudWatch calls other AWS services using either public endpoints or private interface VPC endpoints, whichever are in use.

What port does CloudWatch use?

Installing the CloudWatch agent on EC2 The following is an example of this configuration that listens on the default socket tcp:25888 . For more information about agent configuration, see Manually create or edit the CloudWatch agent configuration file.

What is CloudWatch agent?

The unified CloudWatch agent enables you to do the following: Collect internal system-level metrics from Amazon EC2 instances across operating systems. … Collect logs from Amazon EC2 instances and on-premises servers, running either Linux or Windows Server.

Which AWS service is region specific?

AWS Global, Regional, AZ resource Availability Most of the AWS managed services are regional based services (except for IAM, Route53, CloudFront, WAF etc).

How do I choose AWS region?

Assess potential Regions for the right option Check feature availability of each service and versions available, if your workload has specific requirements. Calculate the cost of the workload on each Region using the AWS Pricing Calculator. Test the network latency between your user base location and each AWS Region.

What is difference between Region and Availability Zone in AWS?

AWS Regions are large and widely dispersed into separate geographic locations. Availability Zones are distinct locations within an AWS Region that are engineered to be isolated from failures in other Availability Zones.

Is VPC peering region specific?

The VPCs can be in different regions (also known as an inter-region VPC peering connection). AWS uses the existing infrastructure of a VPC to create a VPC peering connection; it is neither a gateway nor a VPN connection, and does not rely on a separate piece of physical hardware.

How many VPCs are in a region?

Although you can have up to five VPCs in a region, only the initial VPC that AWS creates for you can be the default VPC. Every VPC is associated with an IP address range that is part of a Classless Inter-Domain Routing (CIDR) block which will be used to allocated private IP addresses to EC2 instances.

Is VPC multi region?

With Amazon VPC, you can provision logically isolated virtual networks to host your AWS resources. You can create multiple VPCs within the same region or in different regions, in the same account or in different accounts.

Can CloudWatch trigger Lambda?

To make a CloudWatch event automatically trigger a Lambda function, we need to set up a cloudwatch rule . Regardless of the event we are handling or what we are doing with the event, our Lambda function that receives the event will have the same basic structure.

How do I create AWS CloudWatch rule?

  1. In the navigation pane, choose Events, Create rule.
  2. For Event source, do the following: …
  3. For Targets, choose Add Target and choose the AWS service that is to act when an event of the selected type is detected.

How do you test the CloudWatch rule?

To test your rule Open the CloudWatch console at . In the navigation pane, choose Events, Rules, select the name of the rule that you created, and choose Show metrics for the rule.

What is the difference between CloudWatch alarm and event?

Alarms invoke actions only for sustained changes. Alarms watch a single metric and respond to changes in that metric; events can respond to actions (such as a lambda being created or some other change in your AWS environment) Alarms can be added to CloudWatch dashboards, but events cannot.

What is CloudWatch event?

The service, known as CloudWatch Events, allows customers to consume a near real-time stream of events as changes to their AWS environment take place. These event changes can subsequently trigger notifications, or other actions, through the use of rules. … CloudWatch Events get triggered through the use of rule policies.

What is EventBridge CloudWatch?

EventBridge delivers a stream of real-time data from your applications, software as a service (SaaS) applications, and AWS services to targets such as AWS Lambda functions, HTTP invocation endpoints using API destinations, or event buses in other AWS accounts. EventBridge was formerly called Amazon CloudWatch Events.

Is AWS CloudWatch SaaS?

Providing software as a service (SaaS) makes the need for insight into application performance essential. Cloud infrastructure providers like Amazon Web Services (AWS) provide real-time data analytics tools, Amazon CloudWatch for example, to address that need.

How do I enable CloudWatch on AWS?

  1. In the navigation pane, choose Instances.
  2. Select the instance and choose Actions, Monitor and troubleshoot, Manage CloudWatch alarms.
  3. On the Manage CloudWatch alarms detail page, under Add or edit alarm, select Create an alarm.

What is the difference between AWS CloudWatch and CloudTrail?

Amazon Cloudwatch is a monitoring service that gives you visibility into the performance and health of your AWS resources and applications, whereas AWS Cloudtrail is a service that logs AWS account activity and API usage for risk auditing, compliance and monitoring.